Home / 54,523.60-75,236.04-30,647.12

Finding the Fourth Proportional to 54,523.60, 75,236.04 and 30,647.12

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Solution

The fourth proportional to 54,523.60, 75,236.04 and 30,647.12 is: 42,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523.60 : 75,236.04 = 30,647.12 : x
  2. Step 2: Convert to fraction form
    54,523.60/75,236.04 = 30,647.12/x
  3. Step 3: Cross multiply
    54,523.60x = 75,236.04 × 30,647.12
  4. Step 4: Simplify right side
    54,523.60x = 2,305,767,946.20
  5. Step 5: Solve for x
    x = 2,305,767,946.20/54,523.60
  6. Step 6: Final answer
    x = 42,289.36

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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.