Home / 83,651.01-115,434.36-47,844.96

Finding the Fourth Proportional to 83,651.01, 115,434.36 and 47,844.96

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Solution

The fourth proportional to 83,651.01, 115,434.36 and 47,844.96 is: 66,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.01 : 115,434.36 = 47,844.96 : x
  2. Step 2: Convert to fraction form
    83,651.01/115,434.36 = 47,844.96/x
  3. Step 3: Cross multiply
    83,651.01x = 115,434.36 × 47,844.96
  4. Step 4: Simplify right side
    83,651.01x = 5,522,952,336.83
  5. Step 5: Solve for x
    x = 5,522,952,336.83/83,651.01
  6. Step 6: Final answer
    x = 66,023.74

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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.