Home / 74,687.40-112,031.19-22,100.82

Finding the Fourth Proportional to 74,687.40, 112,031.19 and 22,100.82

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Solution

The fourth proportional to 74,687.40, 112,031.19 and 22,100.82 is: 33,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.40 : 112,031.19 = 22,100.82 : x
  2. Step 2: Convert to fraction form
    74,687.40/112,031.19 = 22,100.82/x
  3. Step 3: Cross multiply
    74,687.40x = 112,031.19 × 22,100.82
  4. Step 4: Simplify right side
    74,687.40x = 2,475,981,164.58
  5. Step 5: Solve for x
    x = 2,475,981,164.58/74,687.40
  6. Step 6: Final answer
    x = 33,151.26

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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.