Home / 98,649.15-136,028.73-62,793.28

Finding the Fourth Proportional to 98,649.15, 136,028.73 and 62,793.28

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Solution

The fourth proportional to 98,649.15, 136,028.73 and 62,793.28 is: 86,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,649.15 : 136,028.73 = 62,793.28 : x
  2. Step 2: Convert to fraction form
    98,649.15/136,028.73 = 62,793.28/x
  3. Step 3: Cross multiply
    98,649.15x = 136,028.73 × 62,793.28
  4. Step 4: Simplify right side
    98,649.15x = 8,541,690,130.93
  5. Step 5: Solve for x
    x = 8,541,690,130.93/98,649.15
  6. Step 6: Final answer
    x = 86,586.56

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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.