Home / 87,294.14-120,437.17-50,987.24

Finding the Fourth Proportional to 87,294.14, 120,437.17 and 50,987.24

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Solution

The fourth proportional to 87,294.14, 120,437.17 and 50,987.24 is: 70,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,294.14 : 120,437.17 = 50,987.24 : x
  2. Step 2: Convert to fraction form
    87,294.14/120,437.17 = 50,987.24/x
  3. Step 3: Cross multiply
    87,294.14x = 120,437.17 × 50,987.24
  4. Step 4: Simplify right side
    87,294.14x = 6,140,758,162.06
  5. Step 5: Solve for x
    x = 6,140,758,162.06/87,294.14
  6. Step 6: Final answer
    x = 70,345.60

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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.