Home / 86,200.73-129,301.19-23,871.23

Finding the Fourth Proportional to 86,200.73, 129,301.19 and 23,871.23

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Solution

The fourth proportional to 86,200.73, 129,301.19 and 23,871.23 is: 35,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200.73 : 129,301.19 = 23,871.23 : x
  2. Step 2: Convert to fraction form
    86,200.73/129,301.19 = 23,871.23/x
  3. Step 3: Cross multiply
    86,200.73x = 129,301.19 × 23,871.23
  4. Step 4: Simplify right side
    86,200.73x = 3,086,578,445.76
  5. Step 5: Solve for x
    x = 3,086,578,445.76/86,200.73
  6. Step 6: Final answer
    x = 35,806.87

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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.