Home / 102,353.87-141,248.63-59,341.70

Finding the Fourth Proportional to 102,353.87, 141,248.63 and 59,341.70

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Solution

The fourth proportional to 102,353.87, 141,248.63 and 59,341.70 is: 81,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,353.87 : 141,248.63 = 59,341.70 : x
  2. Step 2: Convert to fraction form
    102,353.87/141,248.63 = 59,341.70/x
  3. Step 3: Cross multiply
    102,353.87x = 141,248.63 × 59,341.70
  4. Step 4: Simplify right side
    102,353.87x = 8,381,933,826.87
  5. Step 5: Solve for x
    x = 8,381,933,826.87/102,353.87
  6. Step 6: Final answer
    x = 81,891.71

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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.