Home / 87,266.20-130,964.10-34,713.40

Finding the Fourth Proportional to 87,266.20, 130,964.10 and 34,713.40

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Solution

The fourth proportional to 87,266.20, 130,964.10 and 34,713.40 is: 52,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.20 : 130,964.10 = 34,713.40 : x
  2. Step 2: Convert to fraction form
    87,266.20/130,964.10 = 34,713.40/x
  3. Step 3: Cross multiply
    87,266.20x = 130,964.10 × 34,713.40
  4. Step 4: Simplify right side
    87,266.20x = 4,546,209,188.94
  5. Step 5: Solve for x
    x = 4,546,209,188.94/87,266.20
  6. Step 6: Final answer
    x = 52,095.88

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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.