Home / 98,182.20-135,491.57-55,740.74

Finding the Fourth Proportional to 98,182.20, 135,491.57 and 55,740.74

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Solution

The fourth proportional to 98,182.20, 135,491.57 and 55,740.74 is: 76,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.20 : 135,491.57 = 55,740.74 : x
  2. Step 2: Convert to fraction form
    98,182.20/135,491.57 = 55,740.74/x
  3. Step 3: Cross multiply
    98,182.20x = 135,491.57 × 55,740.74
  4. Step 4: Simplify right side
    98,182.20x = 7,552,399,734.85
  5. Step 5: Solve for x
    x = 7,552,399,734.85/98,182.20
  6. Step 6: Final answer
    x = 76,922.29

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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.