Home / 86,625.20-129,926.85-27,461.45

Finding the Fourth Proportional to 86,625.20, 129,926.85 and 27,461.45

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Solution

The fourth proportional to 86,625.20, 129,926.85 and 27,461.45 is: 41,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.20 : 129,926.85 = 27,461.45 : x
  2. Step 2: Convert to fraction form
    86,625.20/129,926.85 = 27,461.45/x
  3. Step 3: Cross multiply
    86,625.20x = 129,926.85 × 27,461.45
  4. Step 4: Simplify right side
    86,625.20x = 3,567,979,694.93
  5. Step 5: Solve for x
    x = 3,567,979,694.93/86,625.20
  6. Step 6: Final answer
    x = 41,188.70

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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.