Home / 87,160.46-120,265.44-58,521.70

Finding the Fourth Proportional to 87,160.46, 120,265.44 and 58,521.70

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Solution

The fourth proportional to 87,160.46, 120,265.44 and 58,521.70 is: 80,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.46 : 120,265.44 = 58,521.70 : x
  2. Step 2: Convert to fraction form
    87,160.46/120,265.44 = 58,521.70/x
  3. Step 3: Cross multiply
    87,160.46x = 120,265.44 × 58,521.70
  4. Step 4: Simplify right side
    87,160.46x = 7,038,138,000.05
  5. Step 5: Solve for x
    x = 7,038,138,000.05/87,160.46
  6. Step 6: Final answer
    x = 80,749.21

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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.