Home / 89,372.02-123,281.90-53,541.28

Finding the Fourth Proportional to 89,372.02, 123,281.90 and 53,541.28

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Solution

The fourth proportional to 89,372.02, 123,281.90 and 53,541.28 is: 73,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.02 : 123,281.90 = 53,541.28 : x
  2. Step 2: Convert to fraction form
    89,372.02/123,281.90 = 53,541.28/x
  3. Step 3: Cross multiply
    89,372.02x = 123,281.90 × 53,541.28
  4. Step 4: Simplify right side
    89,372.02x = 6,600,670,726.83
  5. Step 5: Solve for x
    x = 6,600,670,726.83/89,372.02
  6. Step 6: Final answer
    x = 73,856.12

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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.