Home / 112,991.19-155,922.56-62,002.64

Finding the Fourth Proportional to 112,991.19, 155,922.56 and 62,002.64

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Solution

The fourth proportional to 112,991.19, 155,922.56 and 62,002.64 is: 85,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.19 : 155,922.56 = 62,002.64 : x
  2. Step 2: Convert to fraction form
    112,991.19/155,922.56 = 62,002.64/x
  3. Step 3: Cross multiply
    112,991.19x = 155,922.56 × 62,002.64
  4. Step 4: Simplify right side
    112,991.19x = 9,667,609,575.95
  5. Step 5: Solve for x
    x = 9,667,609,575.95/112,991.19
  6. Step 6: Final answer
    x = 85,560.74

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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.