Home / 124,694.76-187,042.20-31,200.52

Finding the Fourth Proportional to 124,694.76, 187,042.20 and 31,200.52

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Solution

The fourth proportional to 124,694.76, 187,042.20 and 31,200.52 is: 46,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,694.76 : 187,042.20 = 31,200.52 : x
  2. Step 2: Convert to fraction form
    124,694.76/187,042.20 = 31,200.52/x
  3. Step 3: Cross multiply
    124,694.76x = 187,042.20 × 31,200.52
  4. Step 4: Simplify right side
    124,694.76x = 5,835,813,901.94
  5. Step 5: Solve for x
    x = 5,835,813,901.94/124,694.76
  6. Step 6: Final answer
    x = 46,800.80

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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.