Home / 76,524.86-105,599.19-42,531.14

Finding the Fourth Proportional to 76,524.86, 105,599.19 and 42,531.14

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Solution

The fourth proportional to 76,524.86, 105,599.19 and 42,531.14 is: 58,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,524.86 : 105,599.19 = 42,531.14 : x
  2. Step 2: Convert to fraction form
    76,524.86/105,599.19 = 42,531.14/x
  3. Step 3: Cross multiply
    76,524.86x = 105,599.19 × 42,531.14
  4. Step 4: Simplify right side
    76,524.86x = 4,491,253,933.78
  5. Step 5: Solve for x
    x = 4,491,253,933.78/76,524.86
  6. Step 6: Final answer
    x = 58,690.13

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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.