Home / 54,816.20-75,646.36-29,665.70

Finding the Fourth Proportional to 54,816.20, 75,646.36 and 29,665.70

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Solution

The fourth proportional to 54,816.20, 75,646.36 and 29,665.70 is: 40,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.20 : 75,646.36 = 29,665.70 : x
  2. Step 2: Convert to fraction form
    54,816.20/75,646.36 = 29,665.70/x
  3. Step 3: Cross multiply
    54,816.20x = 75,646.36 × 29,665.70
  4. Step 4: Simplify right side
    54,816.20x = 2,244,101,811.35
  5. Step 5: Solve for x
    x = 2,244,101,811.35/54,816.20
  6. Step 6: Final answer
    x = 40,938.66

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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.