Home / 54,332.10-81,534.60-32,121.90

Finding the Fourth Proportional to 54,332.10, 81,534.60 and 32,121.90

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Solution

The fourth proportional to 54,332.10, 81,534.60 and 32,121.90 is: 48,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.10 : 81,534.60 = 32,121.90 : x
  2. Step 2: Convert to fraction form
    54,332.10/81,534.60 = 32,121.90/x
  3. Step 3: Cross multiply
    54,332.10x = 81,534.60 × 32,121.90
  4. Step 4: Simplify right side
    54,332.10x = 2,619,046,267.74
  5. Step 5: Solve for x
    x = 2,619,046,267.74/54,332.10
  6. Step 6: Final answer
    x = 48,204.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.