Home / 98,761.74-136,269.45-58,455.42

Finding the Fourth Proportional to 98,761.74, 136,269.45 and 58,455.42

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Solution

The fourth proportional to 98,761.74, 136,269.45 and 58,455.42 is: 80,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.74 : 136,269.45 = 58,455.42 : x
  2. Step 2: Convert to fraction form
    98,761.74/136,269.45 = 58,455.42/x
  3. Step 3: Cross multiply
    98,761.74x = 136,269.45 × 58,455.42
  4. Step 4: Simplify right side
    98,761.74x = 7,965,687,932.92
  5. Step 5: Solve for x
    x = 7,965,687,932.92/98,761.74
  6. Step 6: Final answer
    x = 80,655.61

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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.