Home / 98,116.53-135,402.23-55,105.33

Finding the Fourth Proportional to 98,116.53, 135,402.23 and 55,105.33

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Solution

The fourth proportional to 98,116.53, 135,402.23 and 55,105.33 is: 76,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,116.53 : 135,402.23 = 55,105.33 : x
  2. Step 2: Convert to fraction form
    98,116.53/135,402.23 = 55,105.33/x
  3. Step 3: Cross multiply
    98,116.53x = 135,402.23 × 55,105.33
  4. Step 4: Simplify right side
    98,116.53x = 7,461,384,873.90
  5. Step 5: Solve for x
    x = 7,461,384,873.90/98,116.53
  6. Step 6: Final answer
    x = 76,046.15

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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.