Home / 86,213.23-129,319.89-23,883.73

Finding the Fourth Proportional to 86,213.23, 129,319.89 and 23,883.73

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Solution

The fourth proportional to 86,213.23, 129,319.89 and 23,883.73 is: 35,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.23 : 129,319.89 = 23,883.73 : x
  2. Step 2: Convert to fraction form
    86,213.23/129,319.89 = 23,883.73/x
  3. Step 3: Cross multiply
    86,213.23x = 129,319.89 × 23,883.73
  4. Step 4: Simplify right side
    86,213.23x = 3,088,641,057.87
  5. Step 5: Solve for x
    x = 3,088,641,057.87/86,213.23
  6. Step 6: Final answer
    x = 35,825.61

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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.