Home / 86,516.43-129,773.87-27,352.12

Finding the Fourth Proportional to 86,516.43, 129,773.87 and 27,352.12

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Solution

The fourth proportional to 86,516.43, 129,773.87 and 27,352.12 is: 41,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,516.43 : 129,773.87 = 27,352.12 : x
  2. Step 2: Convert to fraction form
    86,516.43/129,773.87 = 27,352.12/x
  3. Step 3: Cross multiply
    86,516.43x = 129,773.87 × 27,352.12
  4. Step 4: Simplify right side
    86,516.43x = 3,549,590,328.34
  5. Step 5: Solve for x
    x = 3,549,590,328.34/86,516.43
  6. Step 6: Final answer
    x = 41,027.93

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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.