Home / 86,389.95-129,576.17-23,201.86

Finding the Fourth Proportional to 86,389.95, 129,576.17 and 23,201.86

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Solution

The fourth proportional to 86,389.95, 129,576.17 and 23,201.86 is: 34,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.95 : 129,576.17 = 23,201.86 : x
  2. Step 2: Convert to fraction form
    86,389.95/129,576.17 = 23,201.86/x
  3. Step 3: Cross multiply
    86,389.95x = 129,576.17 × 23,201.86
  4. Step 4: Simplify right side
    86,389.95x = 3,006,408,155.68
  5. Step 5: Solve for x
    x = 3,006,408,155.68/86,389.95
  6. Step 6: Final answer
    x = 34,800.44

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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.