Home / 83,796.45-115,632.25-49,335.74

Finding the Fourth Proportional to 83,796.45, 115,632.25 and 49,335.74

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Solution

The fourth proportional to 83,796.45, 115,632.25 and 49,335.74 is: 68,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,796.45 : 115,632.25 = 49,335.74 : x
  2. Step 2: Convert to fraction form
    83,796.45/115,632.25 = 49,335.74/x
  3. Step 3: Cross multiply
    83,796.45x = 115,632.25 × 49,335.74
  4. Step 4: Simplify right side
    83,796.45x = 5,704,802,621.62
  5. Step 5: Solve for x
    x = 5,704,802,621.62/83,796.45
  6. Step 6: Final answer
    x = 68,079.29

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1.5x scale

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.