Home / 89,043.36-133,565.04-36,441.12

Finding the Fourth Proportional to 89,043.36, 133,565.04 and 36,441.12

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Solution

The fourth proportional to 89,043.36, 133,565.04 and 36,441.12 is: 54,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,043.36 : 133,565.04 = 36,441.12 : x
  2. Step 2: Convert to fraction form
    89,043.36/133,565.04 = 36,441.12/x
  3. Step 3: Cross multiply
    89,043.36x = 133,565.04 × 36,441.12
  4. Step 4: Simplify right side
    89,043.36x = 4,867,259,650.44
  5. Step 5: Solve for x
    x = 4,867,259,650.44/89,043.36
  6. Step 6: Final answer
    x = 54,661.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.