Home / 98,708.16-148,062.24-57,132.48

Finding the Fourth Proportional to 98,708.16, 148,062.24 and 57,132.48

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Solution

The fourth proportional to 98,708.16, 148,062.24 and 57,132.48 is: 85,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,708.16 : 148,062.24 = 57,132.48 : x
  2. Step 2: Convert to fraction form
    98,708.16/148,062.24 = 57,132.48/x
  3. Step 3: Cross multiply
    98,708.16x = 148,062.24 × 57,132.48
  4. Step 4: Simplify right side
    98,708.16x = 8,459,162,965.56
  5. Step 5: Solve for x
    x = 8,459,162,965.56/98,708.16
  6. Step 6: Final answer
    x = 85,698.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.