Home / 87,367.12-120,612.48-58,836.88

Finding the Fourth Proportional to 87,367.12, 120,612.48 and 58,836.88

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Solution

The fourth proportional to 87,367.12, 120,612.48 and 58,836.88 is: 81,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367.12 : 120,612.48 = 58,836.88 : x
  2. Step 2: Convert to fraction form
    87,367.12/120,612.48 = 58,836.88/x
  3. Step 3: Cross multiply
    87,367.12x = 120,612.48 × 58,836.88
  4. Step 4: Simplify right side
    87,367.12x = 7,096,462,012.26
  5. Step 5: Solve for x
    x = 7,096,462,012.26/87,367.12
  6. Step 6: Final answer
    x = 81,225.77

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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.