Home / 86,382.39-119,209.67-48,145.87

Finding the Fourth Proportional to 86,382.39, 119,209.67 and 48,145.87

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Solution

The fourth proportional to 86,382.39, 119,209.67 and 48,145.87 is: 66,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,382.39 : 119,209.67 = 48,145.87 : x
  2. Step 2: Convert to fraction form
    86,382.39/119,209.67 = 48,145.87/x
  3. Step 3: Cross multiply
    86,382.39x = 119,209.67 × 48,145.87
  4. Step 4: Simplify right side
    86,382.39x = 5,739,453,274.56
  5. Step 5: Solve for x
    x = 5,739,453,274.56/86,382.39
  6. Step 6: Final answer
    x = 66,442.40

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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.