Home / 68,385.46-102,567.92-21,632.26

Finding the Fourth Proportional to 68,385.46, 102,567.92 and 21,632.26

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Solution

The fourth proportional to 68,385.46, 102,567.92 and 21,632.26 is: 32,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.46 : 102,567.92 = 21,632.26 : x
  2. Step 2: Convert to fraction form
    68,385.46/102,567.92 = 21,632.26/x
  3. Step 3: Cross multiply
    68,385.46x = 102,567.92 × 21,632.26
  4. Step 4: Simplify right side
    68,385.46x = 2,218,775,913.10
  5. Step 5: Solve for x
    x = 2,218,775,913.10/68,385.46
  6. Step 6: Final answer
    x = 32,445.14

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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.