Home / 71,869.86-107,824.23-40,726.98

Finding the Fourth Proportional to 71,869.86, 107,824.23 and 40,726.98

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Solution

The fourth proportional to 71,869.86, 107,824.23 and 40,726.98 is: 61,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869.86 : 107,824.23 = 40,726.98 : x
  2. Step 2: Convert to fraction form
    71,869.86/107,824.23 = 40,726.98/x
  3. Step 3: Cross multiply
    71,869.86x = 107,824.23 × 40,726.98
  4. Step 4: Simplify right side
    71,869.86x = 4,391,355,258.73
  5. Step 5: Solve for x
    x = 4,391,355,258.73/71,869.86
  6. Step 6: Final answer
    x = 61,101.49

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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.