Home / 98,022.41-135,347.12-75,325.60

Finding the Fourth Proportional to 98,022.41, 135,347.12 and 75,325.60

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Solution

The fourth proportional to 98,022.41, 135,347.12 and 75,325.60 is: 104,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,022.41 : 135,347.12 = 75,325.60 : x
  2. Step 2: Convert to fraction form
    98,022.41/135,347.12 = 75,325.60/x
  3. Step 3: Cross multiply
    98,022.41x = 135,347.12 × 75,325.60
  4. Step 4: Simplify right side
    98,022.41x = 10,195,103,022.27
  5. Step 5: Solve for x
    x = 10,195,103,022.27/98,022.41
  6. Step 6: Final answer
    x = 104,007.88

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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.