Home / 89,244.33-123,285.29-71,315.79

Finding the Fourth Proportional to 89,244.33, 123,285.29 and 71,315.79

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Solution

The fourth proportional to 89,244.33, 123,285.29 and 71,315.79 is: 98,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.33 : 123,285.29 = 71,315.79 : x
  2. Step 2: Convert to fraction form
    89,244.33/123,285.29 = 71,315.79/x
  3. Step 3: Cross multiply
    89,244.33x = 123,285.29 × 71,315.79
  4. Step 4: Simplify right side
    89,244.33x = 8,792,187,495.15
  5. Step 5: Solve for x
    x = 8,792,187,495.15/89,244.33
  6. Step 6: Final answer
    x = 98,518.16

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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.