Home / 93,539.26-140,084.88-68,170.78

Finding the Fourth Proportional to 93,539.26, 140,084.88 and 68,170.78

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Solution

The fourth proportional to 93,539.26, 140,084.88 and 68,170.78 is: 102,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.26 : 140,084.88 = 68,170.78 : x
  2. Step 2: Convert to fraction form
    93,539.26/140,084.88 = 68,170.78/x
  3. Step 3: Cross multiply
    93,539.26x = 140,084.88 × 68,170.78
  4. Step 4: Simplify right side
    93,539.26x = 9,549,695,535.81
  5. Step 5: Solve for x
    x = 9,549,695,535.81/93,539.26
  6. Step 6: Final answer
    x = 102,092.91

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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.