Home / 88,100.25-121,679.26-58,020.02

Finding the Fourth Proportional to 88,100.25, 121,679.26 and 58,020.02

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Solution

The fourth proportional to 88,100.25, 121,679.26 and 58,020.02 is: 80,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,100.25 : 121,679.26 = 58,020.02 : x
  2. Step 2: Convert to fraction form
    88,100.25/121,679.26 = 58,020.02/x
  3. Step 3: Cross multiply
    88,100.25x = 121,679.26 × 58,020.02
  4. Step 4: Simplify right side
    88,100.25x = 7,059,833,098.79
  5. Step 5: Solve for x
    x = 7,059,833,098.79/88,100.25
  6. Step 6: Final answer
    x = 80,134.09

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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.