Home / 113,509.26-156,641.34-62,520.96

Finding the Fourth Proportional to 113,509.26, 156,641.34 and 62,520.96

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Solution

The fourth proportional to 113,509.26, 156,641.34 and 62,520.96 is: 86,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509.26 : 156,641.34 = 62,520.96 : x
  2. Step 2: Convert to fraction form
    113,509.26/156,641.34 = 62,520.96/x
  3. Step 3: Cross multiply
    113,509.26x = 156,641.34 × 62,520.96
  4. Step 4: Simplify right side
    113,509.26x = 9,793,366,952.49
  5. Step 5: Solve for x
    x = 9,793,366,952.49/113,509.26
  6. Step 6: Final answer
    x = 86,278.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.