Home / 87,320.83-130,871.64-37,342.14

Finding the Fourth Proportional to 87,320.83, 130,871.64 and 37,342.14

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Solution

The fourth proportional to 87,320.83, 130,871.64 and 37,342.14 is: 55,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.83 : 130,871.64 = 37,342.14 : x
  2. Step 2: Convert to fraction form
    87,320.83/130,871.64 = 37,342.14/x
  3. Step 3: Cross multiply
    87,320.83x = 130,871.64 × 37,342.14
  4. Step 4: Simplify right side
    87,320.83x = 4,887,027,102.91
  5. Step 5: Solve for x
    x = 4,887,027,102.91/87,320.83
  6. Step 6: Final answer
    x = 55,966.34

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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.