Home / 98,377.26-135,759-55,934.88

Finding the Fourth Proportional to 98,377.26, 135,759 and 55,934.88

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Solution

The fourth proportional to 98,377.26, 135,759 and 55,934.88 is: 77,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,377.26 : 135,759 = 55,934.88 : x
  2. Step 2: Convert to fraction form
    98,377.26/135,759 = 55,934.88/x
  3. Step 3: Cross multiply
    98,377.26x = 135,759 × 55,934.88
  4. Step 4: Simplify right side
    98,377.26x = 7,593,663,373.92
  5. Step 5: Solve for x
    x = 7,593,663,373.92/98,377.26
  6. Step 6: Final answer
    x = 77,189.21

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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.