Home / 83,846.10-115,701.30-46,122.78

Finding the Fourth Proportional to 83,846.10, 115,701.30 and 46,122.78

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Solution

The fourth proportional to 83,846.10, 115,701.30 and 46,122.78 is: 63,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,846.10 : 115,701.30 = 46,122.78 : x
  2. Step 2: Convert to fraction form
    83,846.10/115,701.30 = 46,122.78/x
  3. Step 3: Cross multiply
    83,846.10x = 115,701.30 × 46,122.78
  4. Step 4: Simplify right side
    83,846.10x = 5,336,465,605.61
  5. Step 5: Solve for x
    x = 5,336,465,605.61/83,846.10
  6. Step 6: Final answer
    x = 63,645.96

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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.