Home / 86,484.32-119,348.52-48,758.48

Finding the Fourth Proportional to 86,484.32, 119,348.52 and 48,758.48

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Solution

The fourth proportional to 86,484.32, 119,348.52 and 48,758.48 is: 67,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,484.32 : 119,348.52 = 48,758.48 : x
  2. Step 2: Convert to fraction form
    86,484.32/119,348.52 = 48,758.48/x
  3. Step 3: Cross multiply
    86,484.32x = 119,348.52 × 48,758.48
  4. Step 4: Simplify right side
    86,484.32x = 5,819,252,425.45
  5. Step 5: Solve for x
    x = 5,819,252,425.45/86,484.32
  6. Step 6: Final answer
    x = 67,286.79

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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.