Home / 87,475.37-120,774.11-67,296.65

Finding the Fourth Proportional to 87,475.37, 120,774.11 and 67,296.65

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Solution

The fourth proportional to 87,475.37, 120,774.11 and 67,296.65 is: 92,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.37 : 120,774.11 = 67,296.65 : x
  2. Step 2: Convert to fraction form
    87,475.37/120,774.11 = 67,296.65/x
  3. Step 3: Cross multiply
    87,475.37x = 120,774.11 × 67,296.65
  4. Step 4: Simplify right side
    87,475.37x = 8,127,692,069.38
  5. Step 5: Solve for x
    x = 8,127,692,069.38/87,475.37
  6. Step 6: Final answer
    x = 92,914.07

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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.