Home / 113,561.24-156,712.45-62,578.70

Finding the Fourth Proportional to 113,561.24, 156,712.45 and 62,578.70

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Solution

The fourth proportional to 113,561.24, 156,712.45 and 62,578.70 is: 86,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,561.24 : 156,712.45 = 62,578.70 : x
  2. Step 2: Convert to fraction form
    113,561.24/156,712.45 = 62,578.70/x
  3. Step 3: Cross multiply
    113,561.24x = 156,712.45 × 62,578.70
  4. Step 4: Simplify right side
    113,561.24x = 9,806,861,424.56
  5. Step 5: Solve for x
    x = 9,806,861,424.56/113,561.24
  6. Step 6: Final answer
    x = 86,357.47

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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.