Home / 102,690.17-141,713.52-60,249.41

Finding the Fourth Proportional to 102,690.17, 141,713.52 and 60,249.41

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Solution

The fourth proportional to 102,690.17, 141,713.52 and 60,249.41 is: 83,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.17 : 141,713.52 = 60,249.41 : x
  2. Step 2: Convert to fraction form
    102,690.17/141,713.52 = 60,249.41/x
  3. Step 3: Cross multiply
    102,690.17x = 141,713.52 × 60,249.41
  4. Step 4: Simplify right side
    102,690.17x = 8,538,155,969.02
  5. Step 5: Solve for x
    x = 8,538,155,969.02/102,690.17
  6. Step 6: Final answer
    x = 83,144.82

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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.