Home / 87,001.08-130,502.39-34,410.56

Finding the Fourth Proportional to 87,001.08, 130,502.39 and 34,410.56

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Solution

The fourth proportional to 87,001.08, 130,502.39 and 34,410.56 is: 51,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.08 : 130,502.39 = 34,410.56 : x
  2. Step 2: Convert to fraction form
    87,001.08/130,502.39 = 34,410.56/x
  3. Step 3: Cross multiply
    87,001.08x = 130,502.39 × 34,410.56
  4. Step 4: Simplify right side
    87,001.08x = 4,490,659,496.67
  5. Step 5: Solve for x
    x = 4,490,659,496.67/87,001.08
  6. Step 6: Final answer
    x = 51,616.14

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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.