Home / 87,188.32-120,356.04-58,932.28

Finding the Fourth Proportional to 87,188.32, 120,356.04 and 58,932.28

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Solution

The fourth proportional to 87,188.32, 120,356.04 and 58,932.28 is: 81,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.32 : 120,356.04 = 58,932.28 : x
  2. Step 2: Convert to fraction form
    87,188.32/120,356.04 = 58,932.28/x
  3. Step 3: Cross multiply
    87,188.32x = 120,356.04 × 58,932.28
  4. Step 4: Simplify right side
    87,188.32x = 7,092,855,848.97
  5. Step 5: Solve for x
    x = 7,092,855,848.97/87,188.32
  6. Step 6: Final answer
    x = 81,350.99

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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.