Home / 86,429.25-129,665.75-24,099.75

Finding the Fourth Proportional to 86,429.25, 129,665.75 and 24,099.75

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Solution

The fourth proportional to 86,429.25, 129,665.75 and 24,099.75 is: 36,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,429.25 : 129,665.75 = 24,099.75 : x
  2. Step 2: Convert to fraction form
    86,429.25/129,665.75 = 24,099.75/x
  3. Step 3: Cross multiply
    86,429.25x = 129,665.75 × 24,099.75
  4. Step 4: Simplify right side
    86,429.25x = 3,124,912,038.06
  5. Step 5: Solve for x
    x = 3,124,912,038.06/86,429.25
  6. Step 6: Final answer
    x = 36,155.72

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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.