Home / 74,431.76-111,517.63-62,031.47

Finding the Fourth Proportional to 74,431.76, 111,517.63 and 62,031.47

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Solution

The fourth proportional to 74,431.76, 111,517.63 and 62,031.47 is: 92,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,431.76 : 111,517.63 = 62,031.47 : x
  2. Step 2: Convert to fraction form
    74,431.76/111,517.63 = 62,031.47/x
  3. Step 3: Cross multiply
    74,431.76x = 111,517.63 × 62,031.47
  4. Step 4: Simplify right side
    74,431.76x = 6,917,601,807.15
  5. Step 5: Solve for x
    x = 6,917,601,807.15/74,431.76
  6. Step 6: Final answer
    x = 92,938.85

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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.