Home / 88,240.31-121,710.03-58,015.97

Finding the Fourth Proportional to 88,240.31, 121,710.03 and 58,015.97

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Solution

The fourth proportional to 88,240.31, 121,710.03 and 58,015.97 is: 80,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,240.31 : 121,710.03 = 58,015.97 : x
  2. Step 2: Convert to fraction form
    88,240.31/121,710.03 = 58,015.97/x
  3. Step 3: Cross multiply
    88,240.31x = 121,710.03 × 58,015.97
  4. Step 4: Simplify right side
    88,240.31x = 7,061,125,449.18
  5. Step 5: Solve for x
    x = 7,061,125,449.18/88,240.31
  6. Step 6: Final answer
    x = 80,021.54

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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.