Home / 87,143.52-130,712.53-24,814.02

Finding the Fourth Proportional to 87,143.52, 130,712.53 and 24,814.02

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Solution

The fourth proportional to 87,143.52, 130,712.53 and 24,814.02 is: 37,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,143.52 : 130,712.53 = 24,814.02 : x
  2. Step 2: Convert to fraction form
    87,143.52/130,712.53 = 24,814.02/x
  3. Step 3: Cross multiply
    87,143.52x = 130,712.53 × 24,814.02
  4. Step 4: Simplify right side
    87,143.52x = 3,243,502,618.07
  5. Step 5: Solve for x
    x = 3,243,502,618.07/87,143.52
  6. Step 6: Final answer
    x = 37,220.24

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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.