Home / 54,680.28-75,458.79-29,529.78

Finding the Fourth Proportional to 54,680.28, 75,458.79 and 29,529.78

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Solution

The fourth proportional to 54,680.28, 75,458.79 and 29,529.78 is: 40,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.28 : 75,458.79 = 29,529.78 : x
  2. Step 2: Convert to fraction form
    54,680.28/75,458.79 = 29,529.78/x
  3. Step 3: Cross multiply
    54,680.28x = 75,458.79 × 29,529.78
  4. Step 4: Simplify right side
    54,680.28x = 2,228,281,467.77
  5. Step 5: Solve for x
    x = 2,228,281,467.77/54,680.28
  6. Step 6: Final answer
    x = 40,751.10

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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.