Home / 103,335.35-154,972.04-36,766.71

Finding the Fourth Proportional to 103,335.35, 154,972.04 and 36,766.71

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Solution

The fourth proportional to 103,335.35, 154,972.04 and 36,766.71 is: 55,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.35 : 154,972.04 = 36,766.71 : x
  2. Step 2: Convert to fraction form
    103,335.35/154,972.04 = 36,766.71/x
  3. Step 3: Cross multiply
    103,335.35x = 154,972.04 × 36,766.71
  4. Step 4: Simplify right side
    103,335.35x = 5,697,811,868.95
  5. Step 5: Solve for x
    x = 5,697,811,868.95/103,335.35
  6. Step 6: Final answer
    x = 55,139.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.