Home / 113,070.74-156,031.52-62,766.50

Finding the Fourth Proportional to 113,070.74, 156,031.52 and 62,766.50

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Solution

The fourth proportional to 113,070.74, 156,031.52 and 62,766.50 is: 86,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,070.74 : 156,031.52 = 62,766.50 : x
  2. Step 2: Convert to fraction form
    113,070.74/156,031.52 = 62,766.50/x
  3. Step 3: Cross multiply
    113,070.74x = 156,031.52 × 62,766.50
  4. Step 4: Simplify right side
    113,070.74x = 9,793,552,400.08
  5. Step 5: Solve for x
    x = 9,793,552,400.08/113,070.74
  6. Step 6: Final answer
    x = 86,614.38

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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.