Home / 80,445.45-111,013.03-44,635.15

Finding the Fourth Proportional to 80,445.45, 111,013.03 and 44,635.15

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Solution

The fourth proportional to 80,445.45, 111,013.03 and 44,635.15 is: 61,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445.45 : 111,013.03 = 44,635.15 : x
  2. Step 2: Convert to fraction form
    80,445.45/111,013.03 = 44,635.15/x
  3. Step 3: Cross multiply
    80,445.45x = 111,013.03 × 44,635.15
  4. Step 4: Simplify right side
    80,445.45x = 4,955,083,440.56
  5. Step 5: Solve for x
    x = 4,955,083,440.56/80,445.45
  6. Step 6: Final answer
    x = 61,595.57

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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.