Home / 86,427.16-119,279.12-54,594.52

Finding the Fourth Proportional to 86,427.16, 119,279.12 and 54,594.52

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Solution

The fourth proportional to 86,427.16, 119,279.12 and 54,594.52 is: 75,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,427.16 : 119,279.12 = 54,594.52 : x
  2. Step 2: Convert to fraction form
    86,427.16/119,279.12 = 54,594.52/x
  3. Step 3: Cross multiply
    86,427.16x = 119,279.12 × 54,594.52
  4. Step 4: Simplify right side
    86,427.16x = 6,511,986,302.42
  5. Step 5: Solve for x
    x = 6,511,986,302.42/86,427.16
  6. Step 6: Final answer
    x = 75,346.53

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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.