Home / 89,040.36-133,560.54-36,438.12

Finding the Fourth Proportional to 89,040.36, 133,560.54 and 36,438.12

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Solution

The fourth proportional to 89,040.36, 133,560.54 and 36,438.12 is: 54,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.36 : 133,560.54 = 36,438.12 : x
  2. Step 2: Convert to fraction form
    89,040.36/133,560.54 = 36,438.12/x
  3. Step 3: Cross multiply
    89,040.36x = 133,560.54 × 36,438.12
  4. Step 4: Simplify right side
    89,040.36x = 4,866,694,983.78
  5. Step 5: Solve for x
    x = 4,866,694,983.78/89,040.36
  6. Step 6: Final answer
    x = 54,657.18

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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.