Home / 102,562.96-141,543.99-57,249.76

Finding the Fourth Proportional to 102,562.96, 141,543.99 and 57,249.76

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Solution

The fourth proportional to 102,562.96, 141,543.99 and 57,249.76 is: 79,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,562.96 : 141,543.99 = 57,249.76 : x
  2. Step 2: Convert to fraction form
    102,562.96/141,543.99 = 57,249.76/x
  3. Step 3: Cross multiply
    102,562.96x = 141,543.99 × 57,249.76
  4. Step 4: Simplify right side
    102,562.96x = 8,103,359,456.94
  5. Step 5: Solve for x
    x = 8,103,359,456.94/102,562.96
  6. Step 6: Final answer
    x = 79,008.63

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1.5x scale

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.