Home / 87,475.51-131,234.08-28,311.18

Finding the Fourth Proportional to 87,475.51, 131,234.08 and 28,311.18

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Solution

The fourth proportional to 87,475.51, 131,234.08 and 28,311.18 is: 42,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.51 : 131,234.08 = 28,311.18 : x
  2. Step 2: Convert to fraction form
    87,475.51/131,234.08 = 28,311.18/x
  3. Step 3: Cross multiply
    87,475.51x = 131,234.08 × 28,311.18
  4. Step 4: Simplify right side
    87,475.51x = 3,715,391,004.84
  5. Step 5: Solve for x
    x = 3,715,391,004.84/87,475.51
  6. Step 6: Final answer
    x = 42,473.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.