Home / 83,479.36-115,201.65-49,017.43

Finding the Fourth Proportional to 83,479.36, 115,201.65 and 49,017.43

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Solution

The fourth proportional to 83,479.36, 115,201.65 and 49,017.43 is: 67,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479.36 : 115,201.65 = 49,017.43 : x
  2. Step 2: Convert to fraction form
    83,479.36/115,201.65 = 49,017.43/x
  3. Step 3: Cross multiply
    83,479.36x = 115,201.65 × 49,017.43
  4. Step 4: Simplify right side
    83,479.36x = 5,646,888,814.76
  5. Step 5: Solve for x
    x = 5,646,888,814.76/83,479.36
  6. Step 6: Final answer
    x = 67,644.13

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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.