Home / 54,818.28-75,652.27-38,690.75

Finding the Fourth Proportional to 54,818.28, 75,652.27 and 38,690.75

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Solution

The fourth proportional to 54,818.28, 75,652.27 and 38,690.75 is: 53,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.28 : 75,652.27 = 38,690.75 : x
  2. Step 2: Convert to fraction form
    54,818.28/75,652.27 = 38,690.75/x
  3. Step 3: Cross multiply
    54,818.28x = 75,652.27 × 38,690.75
  4. Step 4: Simplify right side
    54,818.28x = 2,927,043,157.91
  5. Step 5: Solve for x
    x = 2,927,043,157.91/54,818.28
  6. Step 6: Final answer
    x = 53,395.38

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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.