Home / 86,242.59-129,344.45-23,917.95

Finding the Fourth Proportional to 86,242.59, 129,344.45 and 23,917.95

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Solution

The fourth proportional to 86,242.59, 129,344.45 and 23,917.95 is: 35,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.59 : 129,344.45 = 23,917.95 : x
  2. Step 2: Convert to fraction form
    86,242.59/129,344.45 = 23,917.95/x
  3. Step 3: Cross multiply
    86,242.59x = 129,344.45 × 23,917.95
  4. Step 4: Simplify right side
    86,242.59x = 3,093,653,968.29
  5. Step 5: Solve for x
    x = 3,093,653,968.29/86,242.59
  6. Step 6: Final answer
    x = 35,871.53

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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.