Home / 69,385.08-103,984.38-36,035.76

Finding the Fourth Proportional to 69,385.08, 103,984.38 and 36,035.76

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Solution

The fourth proportional to 69,385.08, 103,984.38 and 36,035.76 is: 54,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.08 : 103,984.38 = 36,035.76 : x
  2. Step 2: Convert to fraction form
    69,385.08/103,984.38 = 36,035.76/x
  3. Step 3: Cross multiply
    69,385.08x = 103,984.38 × 36,035.76
  4. Step 4: Simplify right side
    69,385.08x = 3,747,156,161.43
  5. Step 5: Solve for x
    x = 3,747,156,161.43/69,385.08
  6. Step 6: Final answer
    x = 54,005.21

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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.