Home / 86,339.71-119,147.00-48,099.20

Finding the Fourth Proportional to 86,339.71, 119,147.00 and 48,099.20

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Solution

The fourth proportional to 86,339.71, 119,147.00 and 48,099.20 is: 66,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.71 : 119,147.00 = 48,099.20 : x
  2. Step 2: Convert to fraction form
    86,339.71/119,147.00 = 48,099.20/x
  3. Step 3: Cross multiply
    86,339.71x = 119,147.00 × 48,099.20
  4. Step 4: Simplify right side
    86,339.71x = 5,730,875,141.90
  5. Step 5: Solve for x
    x = 5,730,875,141.90/86,339.71
  6. Step 6: Final answer
    x = 66,375.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.