Home / 61,708.10-92,440.64-39,149.19

Finding the Fourth Proportional to 61,708.10, 92,440.64 and 39,149.19

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Solution

The fourth proportional to 61,708.10, 92,440.64 and 39,149.19 is: 58,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.10 : 92,440.64 = 39,149.19 : x
  2. Step 2: Convert to fraction form
    61,708.10/92,440.64 = 39,149.19/x
  3. Step 3: Cross multiply
    61,708.10x = 92,440.64 × 39,149.19
  4. Step 4: Simplify right side
    61,708.10x = 3,618,976,276.95
  5. Step 5: Solve for x
    x = 3,618,976,276.95/61,708.10
  6. Step 6: Final answer
    x = 58,646.70

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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.