Home / 86,488.14-119,349-48,759.96

Finding the Fourth Proportional to 86,488.14, 119,349 and 48,759.96

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Solution

The fourth proportional to 86,488.14, 119,349 and 48,759.96 is: 67,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488.14 : 119,349 = 48,759.96 : x
  2. Step 2: Convert to fraction form
    86,488.14/119,349 = 48,759.96/x
  3. Step 3: Cross multiply
    86,488.14x = 119,349 × 48,759.96
  4. Step 4: Simplify right side
    86,488.14x = 5,819,452,466.04
  5. Step 5: Solve for x
    x = 5,819,452,466.04/86,488.14
  6. Step 6: Final answer
    x = 67,286.13

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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.