Home / 89,918.60-124,011.49-54,101.92

Finding the Fourth Proportional to 89,918.60, 124,011.49 and 54,101.92

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Solution

The fourth proportional to 89,918.60, 124,011.49 and 54,101.92 is: 74,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.60 : 124,011.49 = 54,101.92 : x
  2. Step 2: Convert to fraction form
    89,918.60/124,011.49 = 54,101.92/x
  3. Step 3: Cross multiply
    89,918.60x = 124,011.49 × 54,101.92
  4. Step 4: Simplify right side
    89,918.60x = 6,709,259,440.55
  5. Step 5: Solve for x
    x = 6,709,259,440.55/89,918.60
  6. Step 6: Final answer
    x = 74,614.81

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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.