Home / 91,767.73-126,683.97-61,542.04

Finding the Fourth Proportional to 91,767.73, 126,683.97 and 61,542.04

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Solution

The fourth proportional to 91,767.73, 126,683.97 and 61,542.04 is: 84,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,767.73 : 126,683.97 = 61,542.04 : x
  2. Step 2: Convert to fraction form
    91,767.73/126,683.97 = 61,542.04/x
  3. Step 3: Cross multiply
    91,767.73x = 126,683.97 × 61,542.04
  4. Step 4: Simplify right side
    91,767.73x = 7,796,389,949.10
  5. Step 5: Solve for x
    x = 7,796,389,949.10/91,767.73
  6. Step 6: Final answer
    x = 84,957.86

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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.