Home / 54,851.16-82,275.12-47,434.08

Finding the Fourth Proportional to 54,851.16, 82,275.12 and 47,434.08

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Solution

The fourth proportional to 54,851.16, 82,275.12 and 47,434.08 is: 71,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.16 : 82,275.12 = 47,434.08 : x
  2. Step 2: Convert to fraction form
    54,851.16/82,275.12 = 47,434.08/x
  3. Step 3: Cross multiply
    54,851.16x = 82,275.12 × 47,434.08
  4. Step 4: Simplify right side
    54,851.16x = 3,902,644,624.09
  5. Step 5: Solve for x
    x = 3,902,644,624.09/54,851.16
  6. Step 6: Final answer
    x = 71,149.72

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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.