Home / 86,484.20-119,348.35-48,758.36

Finding the Fourth Proportional to 86,484.20, 119,348.35 and 48,758.36

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Solution

The fourth proportional to 86,484.20, 119,348.35 and 48,758.36 is: 67,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,484.20 : 119,348.35 = 48,758.36 : x
  2. Step 2: Convert to fraction form
    86,484.20/119,348.35 = 48,758.36/x
  3. Step 3: Cross multiply
    86,484.20x = 119,348.35 × 48,758.36
  4. Step 4: Simplify right side
    86,484.20x = 5,819,229,096.07
  5. Step 5: Solve for x
    x = 5,819,229,096.07/86,484.20
  6. Step 6: Final answer
    x = 67,286.62

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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.