Home / 87,133.20-130,697.10-24,803.70

Finding the Fourth Proportional to 87,133.20, 130,697.10 and 24,803.70

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Solution

The fourth proportional to 87,133.20, 130,697.10 and 24,803.70 is: 37,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,133.20 : 130,697.10 = 24,803.70 : x
  2. Step 2: Convert to fraction form
    87,133.20/130,697.10 = 24,803.70/x
  3. Step 3: Cross multiply
    87,133.20x = 130,697.10 × 24,803.70
  4. Step 4: Simplify right side
    87,133.20x = 3,241,771,659.27
  5. Step 5: Solve for x
    x = 3,241,771,659.27/87,133.20
  6. Step 6: Final answer
    x = 37,204.78

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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.