Home / 80,569.74-120,895.56-36,187.44

Finding the Fourth Proportional to 80,569.74, 120,895.56 and 36,187.44

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Solution

The fourth proportional to 80,569.74, 120,895.56 and 36,187.44 is: 54,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.74 : 120,895.56 = 36,187.44 : x
  2. Step 2: Convert to fraction form
    80,569.74/120,895.56 = 36,187.44/x
  3. Step 3: Cross multiply
    80,569.74x = 120,895.56 × 36,187.44
  4. Step 4: Simplify right side
    80,569.74x = 4,374,900,823.77
  5. Step 5: Solve for x
    x = 4,374,900,823.77/80,569.74
  6. Step 6: Final answer
    x = 54,299.55

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1.5x scale

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.