Home / 87,134.20-130,648.58-39,094

Finding the Fourth Proportional to 87,134.20, 130,648.58 and 39,094

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Solution

The fourth proportional to 87,134.20, 130,648.58 and 39,094 is: 58,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,134.20 : 130,648.58 = 39,094 : x
  2. Step 2: Convert to fraction form
    87,134.20/130,648.58 = 39,094/x
  3. Step 3: Cross multiply
    87,134.20x = 130,648.58 × 39,094
  4. Step 4: Simplify right side
    87,134.20x = 5,107,575,586.52
  5. Step 5: Solve for x
    x = 5,107,575,586.52/87,134.20
  6. Step 6: Final answer
    x = 58,617.35

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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.