Home / 86,479.38-119,360.70-54,642.06

Finding the Fourth Proportional to 86,479.38, 119,360.70 and 54,642.06

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Solution

The fourth proportional to 86,479.38, 119,360.70 and 54,642.06 is: 75,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,479.38 : 119,360.70 = 54,642.06 : x
  2. Step 2: Convert to fraction form
    86,479.38/119,360.70 = 54,642.06/x
  3. Step 3: Cross multiply
    86,479.38x = 119,360.70 × 54,642.06
  4. Step 4: Simplify right side
    86,479.38x = 6,522,114,531.04
  5. Step 5: Solve for x
    x = 6,522,114,531.04/86,479.38
  6. Step 6: Final answer
    x = 75,418.15

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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.