Home / 112,989.15-155,924.60-62,002.74

Finding the Fourth Proportional to 112,989.15, 155,924.60 and 62,002.74

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Solution

The fourth proportional to 112,989.15, 155,924.60 and 62,002.74 is: 85,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,989.15 : 155,924.60 = 62,002.74 : x
  2. Step 2: Convert to fraction form
    112,989.15/155,924.60 = 62,002.74/x
  3. Step 3: Cross multiply
    112,989.15x = 155,924.60 × 62,002.74
  4. Step 4: Simplify right side
    112,989.15x = 9,667,752,433.40
  5. Step 5: Solve for x
    x = 9,667,752,433.40/112,989.15
  6. Step 6: Final answer
    x = 85,563.55

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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.