Home / 83,586.94-115,352.10-45,861.19

Finding the Fourth Proportional to 83,586.94, 115,352.10 and 45,861.19

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Solution

The fourth proportional to 83,586.94, 115,352.10 and 45,861.19 is: 63,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,586.94 : 115,352.10 = 45,861.19 : x
  2. Step 2: Convert to fraction form
    83,586.94/115,352.10 = 45,861.19/x
  3. Step 3: Cross multiply
    83,586.94x = 115,352.10 × 45,861.19
  4. Step 4: Simplify right side
    83,586.94x = 5,290,184,286.62
  5. Step 5: Solve for x
    x = 5,290,184,286.62/83,586.94
  6. Step 6: Final answer
    x = 63,289.61

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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.