Home / 87,156.56-120,296.58-53,193.13

Finding the Fourth Proportional to 87,156.56, 120,296.58 and 53,193.13

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Solution

The fourth proportional to 87,156.56, 120,296.58 and 53,193.13 is: 73,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.56 : 120,296.58 = 53,193.13 : x
  2. Step 2: Convert to fraction form
    87,156.56/120,296.58 = 53,193.13/x
  3. Step 3: Cross multiply
    87,156.56x = 120,296.58 × 53,193.13
  4. Step 4: Simplify right side
    87,156.56x = 6,398,951,118.28
  5. Step 5: Solve for x
    x = 6,398,951,118.28/87,156.56
  6. Step 6: Final answer
    x = 73,419.04

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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.