Home / 80,508.47-111,102.64-44,211.56

Finding the Fourth Proportional to 80,508.47, 111,102.64 and 44,211.56

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Solution

The fourth proportional to 80,508.47, 111,102.64 and 44,211.56 is: 61,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.47 : 111,102.64 = 44,211.56 : x
  2. Step 2: Convert to fraction form
    80,508.47/111,102.64 = 44,211.56/x
  3. Step 3: Cross multiply
    80,508.47x = 111,102.64 × 44,211.56
  4. Step 4: Simplify right side
    80,508.47x = 4,912,020,368.48
  5. Step 5: Solve for x
    x = 4,912,020,368.48/80,508.47
  6. Step 6: Final answer
    x = 61,012.47

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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.