Home / 80,523.18-111,129.03-44,720.19

Finding the Fourth Proportional to 80,523.18, 111,129.03 and 44,720.19

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Solution

The fourth proportional to 80,523.18, 111,129.03 and 44,720.19 is: 61,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,523.18 : 111,129.03 = 44,720.19 : x
  2. Step 2: Convert to fraction form
    80,523.18/111,129.03 = 44,720.19/x
  3. Step 3: Cross multiply
    80,523.18x = 111,129.03 × 44,720.19
  4. Step 4: Simplify right side
    80,523.18x = 4,969,711,336.12
  5. Step 5: Solve for x
    x = 4,969,711,336.12/80,523.18
  6. Step 6: Final answer
    x = 61,717.77

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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.