Home / 92,017.28-126,983.08-51,731.22

Finding the Fourth Proportional to 92,017.28, 126,983.08 and 51,731.22

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Solution

The fourth proportional to 92,017.28, 126,983.08 and 51,731.22 is: 71,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,017.28 : 126,983.08 = 51,731.22 : x
  2. Step 2: Convert to fraction form
    92,017.28/126,983.08 = 51,731.22/x
  3. Step 3: Cross multiply
    92,017.28x = 126,983.08 × 51,731.22
  4. Step 4: Simplify right side
    92,017.28x = 6,568,988,945.25
  5. Step 5: Solve for x
    x = 6,568,988,945.25/92,017.28
  6. Step 6: Final answer
    x = 71,388.65

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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.