Home / 55,197.16-82,780.88-15,206.62

Finding the Fourth Proportional to 55,197.16, 82,780.88 and 15,206.62

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Solution

The fourth proportional to 55,197.16, 82,780.88 and 15,206.62 is: 22,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197.16 : 82,780.88 = 15,206.62 : x
  2. Step 2: Convert to fraction form
    55,197.16/82,780.88 = 15,206.62/x
  3. Step 3: Cross multiply
    55,197.16x = 82,780.88 × 15,206.62
  4. Step 4: Simplify right side
    55,197.16x = 1,258,817,309.39
  5. Step 5: Solve for x
    x = 1,258,817,309.39/55,197.16
  6. Step 6: Final answer
    x = 22,805.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.