Home / 91,995.11-126,956.85-51,708.75

Finding the Fourth Proportional to 91,995.11, 126,956.85 and 51,708.75

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Solution

The fourth proportional to 91,995.11, 126,956.85 and 51,708.75 is: 71,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,995.11 : 126,956.85 = 51,708.75 : x
  2. Step 2: Convert to fraction form
    91,995.11/126,956.85 = 51,708.75/x
  3. Step 3: Cross multiply
    91,995.11x = 126,956.85 × 51,708.75
  4. Step 4: Simplify right side
    91,995.11x = 6,564,780,017.44
  5. Step 5: Solve for x
    x = 6,564,780,017.44/91,995.11
  6. Step 6: Final answer
    x = 71,360.10

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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.