Home / 48,121.44-66,374.64-31,377.12

Finding the Fourth Proportional to 48,121.44, 66,374.64 and 31,377.12

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Solution

The fourth proportional to 48,121.44, 66,374.64 and 31,377.12 is: 43,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.44 : 66,374.64 = 31,377.12 : x
  2. Step 2: Convert to fraction form
    48,121.44/66,374.64 = 31,377.12/x
  3. Step 3: Cross multiply
    48,121.44x = 66,374.64 × 31,377.12
  4. Step 4: Simplify right side
    48,121.44x = 2,082,645,044.24
  5. Step 5: Solve for x
    x = 2,082,645,044.24/48,121.44
  6. Step 6: Final answer
    x = 43,278.94

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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.