Home / 74,921.39-112,404.63-22,330.87

Finding the Fourth Proportional to 74,921.39, 112,404.63 and 22,330.87

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Solution

The fourth proportional to 74,921.39, 112,404.63 and 22,330.87 is: 33,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.39 : 112,404.63 = 22,330.87 : x
  2. Step 2: Convert to fraction form
    74,921.39/112,404.63 = 22,330.87/x
  3. Step 3: Cross multiply
    74,921.39x = 112,404.63 × 22,330.87
  4. Step 4: Simplify right side
    74,921.39x = 2,510,092,617.90
  5. Step 5: Solve for x
    x = 2,510,092,617.90/74,921.39
  6. Step 6: Final answer
    x = 33,503.02

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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.