Home / 86,389.55-129,575.56-23,201.46

Finding the Fourth Proportional to 86,389.55, 129,575.56 and 23,201.46

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Solution

The fourth proportional to 86,389.55, 129,575.56 and 23,201.46 is: 34,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.55 : 129,575.56 = 23,201.46 : x
  2. Step 2: Convert to fraction form
    86,389.55/129,575.56 = 23,201.46/x
  3. Step 3: Cross multiply
    86,389.55x = 129,575.56 × 23,201.46
  4. Step 4: Simplify right side
    86,389.55x = 3,006,341,408.43
  5. Step 5: Solve for x
    x = 3,006,341,408.43/86,389.55
  6. Step 6: Final answer
    x = 34,799.83

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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.