Home / 83,559.63-115,327.04-49,586.85

Finding the Fourth Proportional to 83,559.63, 115,327.04 and 49,586.85

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Solution

The fourth proportional to 83,559.63, 115,327.04 and 49,586.85 is: 68,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,559.63 : 115,327.04 = 49,586.85 : x
  2. Step 2: Convert to fraction form
    83,559.63/115,327.04 = 49,586.85/x
  3. Step 3: Cross multiply
    83,559.63x = 115,327.04 × 49,586.85
  4. Step 4: Simplify right side
    83,559.63x = 5,718,704,385.49
  5. Step 5: Solve for x
    x = 5,718,704,385.49/83,559.63
  6. Step 6: Final answer
    x = 68,438.60

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1.5x scale

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.