Home / 69,402.24-103,982.40-41,639.04

Finding the Fourth Proportional to 69,402.24, 103,982.40 and 41,639.04

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Solution

The fourth proportional to 69,402.24, 103,982.40 and 41,639.04 is: 62,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.24 : 103,982.40 = 41,639.04 : x
  2. Step 2: Convert to fraction form
    69,402.24/103,982.40 = 41,639.04/x
  3. Step 3: Cross multiply
    69,402.24x = 103,982.40 × 41,639.04
  4. Step 4: Simplify right side
    69,402.24x = 4,329,727,312.90
  5. Step 5: Solve for x
    x = 4,329,727,312.90/69,402.24
  6. Step 6: Final answer
    x = 62,385.99

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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.