Home / 81,539.46-112,472.55-58,911.66

Finding the Fourth Proportional to 81,539.46, 112,472.55 and 58,911.66

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Solution

The fourth proportional to 81,539.46, 112,472.55 and 58,911.66 is: 81,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,539.46 : 112,472.55 = 58,911.66 : x
  2. Step 2: Convert to fraction form
    81,539.46/112,472.55 = 58,911.66/x
  3. Step 3: Cross multiply
    81,539.46x = 112,472.55 × 58,911.66
  4. Step 4: Simplify right side
    81,539.46x = 6,625,944,624.93
  5. Step 5: Solve for x
    x = 6,625,944,624.93/81,539.46
  6. Step 6: Final answer
    x = 81,260.59

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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.