Home / 54,840.74-75,680.24-29,690.24

Finding the Fourth Proportional to 54,840.74, 75,680.24 and 29,690.24

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Solution

The fourth proportional to 54,840.74, 75,680.24 and 29,690.24 is: 40,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.74 : 75,680.24 = 29,690.24 : x
  2. Step 2: Convert to fraction form
    54,840.74/75,680.24 = 29,690.24/x
  3. Step 3: Cross multiply
    54,840.74x = 75,680.24 × 29,690.24
  4. Step 4: Simplify right side
    54,840.74x = 2,246,964,488.86
  5. Step 5: Solve for x
    x = 2,246,964,488.86/54,840.74
  6. Step 6: Final answer
    x = 40,972.54

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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.