Home / 87,027-130,550.10-27,848.76

Finding the Fourth Proportional to 87,027, 130,550.10 and 27,848.76

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Solution

The fourth proportional to 87,027, 130,550.10 and 27,848.76 is: 41,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027 : 130,550.10 = 27,848.76 : x
  2. Step 2: Convert to fraction form
    87,027/130,550.10 = 27,848.76/x
  3. Step 3: Cross multiply
    87,027x = 130,550.10 × 27,848.76
  4. Step 4: Simplify right side
    87,027x = 3,635,658,402.88
  5. Step 5: Solve for x
    x = 3,635,658,402.88/87,027
  6. Step 6: Final answer
    x = 41,776.21

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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.