Home / 75,124.24-103,672.92-43,287.76

Finding the Fourth Proportional to 75,124.24, 103,672.92 and 43,287.76

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Solution

The fourth proportional to 75,124.24, 103,672.92 and 43,287.76 is: 59,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.24 : 103,672.92 = 43,287.76 : x
  2. Step 2: Convert to fraction form
    75,124.24/103,672.92 = 43,287.76/x
  3. Step 3: Cross multiply
    75,124.24x = 103,672.92 × 43,287.76
  4. Step 4: Simplify right side
    75,124.24x = 4,487,768,479.46
  5. Step 5: Solve for x
    x = 4,487,768,479.46/75,124.24
  6. Step 6: Final answer
    x = 59,737.96

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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.