Home / 83,996.90-126,007.65-30,691.51

Finding the Fourth Proportional to 83,996.90, 126,007.65 and 30,691.51

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Solution

The fourth proportional to 83,996.90, 126,007.65 and 30,691.51 is: 46,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,996.90 : 126,007.65 = 30,691.51 : x
  2. Step 2: Convert to fraction form
    83,996.90/126,007.65 = 30,691.51/x
  3. Step 3: Cross multiply
    83,996.90x = 126,007.65 × 30,691.51
  4. Step 4: Simplify right side
    83,996.90x = 3,867,364,735.03
  5. Step 5: Solve for x
    x = 3,867,364,735.03/83,996.90
  6. Step 6: Final answer
    x = 46,041.76

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1.5x scale

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.