Home / 87,475.46-120,774.24-67,296.74

Finding the Fourth Proportional to 87,475.46, 120,774.24 and 67,296.74

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Solution

The fourth proportional to 87,475.46, 120,774.24 and 67,296.74 is: 92,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.46 : 120,774.24 = 67,296.74 : x
  2. Step 2: Convert to fraction form
    87,475.46/120,774.24 = 67,296.74/x
  3. Step 3: Cross multiply
    87,475.46x = 120,774.24 × 67,296.74
  4. Step 4: Simplify right side
    87,475.46x = 8,127,712,024.11
  5. Step 5: Solve for x
    x = 8,127,712,024.11/87,475.46
  6. Step 6: Final answer
    x = 92,914.20

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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.