Home / 98,151.04-135,452.16-55,711.36

Finding the Fourth Proportional to 98,151.04, 135,452.16 and 55,711.36

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Solution

The fourth proportional to 98,151.04, 135,452.16 and 55,711.36 is: 76,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151.04 : 135,452.16 = 55,711.36 : x
  2. Step 2: Convert to fraction form
    98,151.04/135,452.16 = 55,711.36/x
  3. Step 3: Cross multiply
    98,151.04x = 135,452.16 × 55,711.36
  4. Step 4: Simplify right side
    98,151.04x = 7,546,224,048.54
  5. Step 5: Solve for x
    x = 7,546,224,048.54/98,151.04
  6. Step 6: Final answer
    x = 76,883.79

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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.