Home / 98,412.56-135,763.26-58,098.86

Finding the Fourth Proportional to 98,412.56, 135,763.26 and 58,098.86

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Solution

The fourth proportional to 98,412.56, 135,763.26 and 58,098.86 is: 80,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,412.56 : 135,763.26 = 58,098.86 : x
  2. Step 2: Convert to fraction form
    98,412.56/135,763.26 = 58,098.86/x
  3. Step 3: Cross multiply
    98,412.56x = 135,763.26 × 58,098.86
  4. Step 4: Simplify right side
    98,412.56x = 7,887,690,635.88
  5. Step 5: Solve for x
    x = 7,887,690,635.88/98,412.56
  6. Step 6: Final answer
    x = 80,149.23

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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.