Home / 82,964.12-124,458.49-26,785.55

Finding the Fourth Proportional to 82,964.12, 124,458.49 and 26,785.55

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Solution

The fourth proportional to 82,964.12, 124,458.49 and 26,785.55 is: 40,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,964.12 : 124,458.49 = 26,785.55 : x
  2. Step 2: Convert to fraction form
    82,964.12/124,458.49 = 26,785.55/x
  3. Step 3: Cross multiply
    82,964.12x = 124,458.49 × 26,785.55
  4. Step 4: Simplify right side
    82,964.12x = 3,333,689,451.45
  5. Step 5: Solve for x
    x = 3,333,689,451.45/82,964.12
  6. Step 6: Final answer
    x = 40,182.31

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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.