Home / 86,499.27-129,748.47-27,334.83

Finding the Fourth Proportional to 86,499.27, 129,748.47 and 27,334.83

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Solution

The fourth proportional to 86,499.27, 129,748.47 and 27,334.83 is: 41,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.27 : 129,748.47 = 27,334.83 : x
  2. Step 2: Convert to fraction form
    86,499.27/129,748.47 = 27,334.83/x
  3. Step 3: Cross multiply
    86,499.27x = 129,748.47 × 27,334.83
  4. Step 4: Simplify right side
    86,499.27x = 3,546,652,370.21
  5. Step 5: Solve for x
    x = 3,546,652,370.21/86,499.27
  6. Step 6: Final answer
    x = 41,002.11

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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.