Home / 92,042.52-138,166.28-47,657.36

Finding the Fourth Proportional to 92,042.52, 138,166.28 and 47,657.36

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Solution

The fourth proportional to 92,042.52, 138,166.28 and 47,657.36 is: 71,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,042.52 : 138,166.28 = 47,657.36 : x
  2. Step 2: Convert to fraction form
    92,042.52/138,166.28 = 47,657.36/x
  3. Step 3: Cross multiply
    92,042.52x = 138,166.28 × 47,657.36
  4. Step 4: Simplify right side
    92,042.52x = 6,584,639,216.70
  5. Step 5: Solve for x
    x = 6,584,639,216.70/92,042.52
  6. Step 6: Final answer
    x = 71,539.10

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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.