Home / 87,031.38-130,548.23-27,867.05

Finding the Fourth Proportional to 87,031.38, 130,548.23 and 27,867.05

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Solution

The fourth proportional to 87,031.38, 130,548.23 and 27,867.05 is: 41,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,031.38 : 130,548.23 = 27,867.05 : x
  2. Step 2: Convert to fraction form
    87,031.38/130,548.23 = 27,867.05/x
  3. Step 3: Cross multiply
    87,031.38x = 130,548.23 × 27,867.05
  4. Step 4: Simplify right side
    87,031.38x = 3,637,994,052.82
  5. Step 5: Solve for x
    x = 3,637,994,052.82/87,031.38
  6. Step 6: Final answer
    x = 41,800.95

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1.5x scale

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.