Home / 96,712.42-133,469.18-55,878.29

Finding the Fourth Proportional to 96,712.42, 133,469.18 and 55,878.29

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Solution

The fourth proportional to 96,712.42, 133,469.18 and 55,878.29 is: 77,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,712.42 : 133,469.18 = 55,878.29 : x
  2. Step 2: Convert to fraction form
    96,712.42/133,469.18 = 55,878.29/x
  3. Step 3: Cross multiply
    96,712.42x = 133,469.18 × 55,878.29
  4. Step 4: Simplify right side
    96,712.42x = 7,458,029,266.71
  5. Step 5: Solve for x
    x = 7,458,029,266.71/96,712.42
  6. Step 6: Final answer
    x = 77,115.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.