Home / 99,726.59-149,589.47-40,561.76

Finding the Fourth Proportional to 99,726.59, 149,589.47 and 40,561.76

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Solution

The fourth proportional to 99,726.59, 149,589.47 and 40,561.76 is: 60,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,726.59 : 149,589.47 = 40,561.76 : x
  2. Step 2: Convert to fraction form
    99,726.59/149,589.47 = 40,561.76/x
  3. Step 3: Cross multiply
    99,726.59x = 149,589.47 × 40,561.76
  4. Step 4: Simplify right side
    99,726.59x = 6,067,611,534.12
  5. Step 5: Solve for x
    x = 6,067,611,534.12/99,726.59
  6. Step 6: Final answer
    x = 60,842.47

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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.