Home / 54,130.68-74,679.60-32,902.20

Finding the Fourth Proportional to 54,130.68, 74,679.60 and 32,902.20

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Solution

The fourth proportional to 54,130.68, 74,679.60 and 32,902.20 is: 45,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.68 : 74,679.60 = 32,902.20 : x
  2. Step 2: Convert to fraction form
    54,130.68/74,679.60 = 32,902.20/x
  3. Step 3: Cross multiply
    54,130.68x = 74,679.60 × 32,902.20
  4. Step 4: Simplify right side
    54,130.68x = 2,457,123,135.12
  5. Step 5: Solve for x
    x = 2,457,123,135.12/54,130.68
  6. Step 6: Final answer
    x = 45,392.43

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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.