Home / 86,443.30-119,287.18-48,206.80

Finding the Fourth Proportional to 86,443.30, 119,287.18 and 48,206.80

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Solution

The fourth proportional to 86,443.30, 119,287.18 and 48,206.80 is: 66,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,443.30 : 119,287.18 = 48,206.80 : x
  2. Step 2: Convert to fraction form
    86,443.30/119,287.18 = 48,206.80/x
  3. Step 3: Cross multiply
    86,443.30x = 119,287.18 × 48,206.80
  4. Step 4: Simplify right side
    86,443.30x = 5,750,452,767.20
  5. Step 5: Solve for x
    x = 5,750,452,767.20/86,443.30
  6. Step 6: Final answer
    x = 66,522.83

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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.