Home / 55,287.12-82,930.80-24,115.20

Finding the Fourth Proportional to 55,287.12, 82,930.80 and 24,115.20

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Solution

The fourth proportional to 55,287.12, 82,930.80 and 24,115.20 is: 36,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.12 : 82,930.80 = 24,115.20 : x
  2. Step 2: Convert to fraction form
    55,287.12/82,930.80 = 24,115.20/x
  3. Step 3: Cross multiply
    55,287.12x = 82,930.80 × 24,115.20
  4. Step 4: Simplify right side
    55,287.12x = 1,999,892,828.16
  5. Step 5: Solve for x
    x = 1,999,892,828.16/55,287.12
  6. Step 6: Final answer
    x = 36,172.85

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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.