Home / 69,229.28-103,693.08-45,510.04

Finding the Fourth Proportional to 69,229.28, 103,693.08 and 45,510.04

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Solution

The fourth proportional to 69,229.28, 103,693.08 and 45,510.04 is: 68,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,229.28 : 103,693.08 = 45,510.04 : x
  2. Step 2: Convert to fraction form
    69,229.28/103,693.08 = 45,510.04/x
  3. Step 3: Cross multiply
    69,229.28x = 103,693.08 × 45,510.04
  4. Step 4: Simplify right side
    69,229.28x = 4,719,076,218.52
  5. Step 5: Solve for x
    x = 4,719,076,218.52/69,229.28
  6. Step 6: Final answer
    x = 68,165.90

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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.