Home / 54,247.60-81,384.40-22,640.08

Finding the Fourth Proportional to 54,247.60, 81,384.40 and 22,640.08

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Solution

The fourth proportional to 54,247.60, 81,384.40 and 22,640.08 is: 33,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,247.60 : 81,384.40 = 22,640.08 : x
  2. Step 2: Convert to fraction form
    54,247.60/81,384.40 = 22,640.08/x
  3. Step 3: Cross multiply
    54,247.60x = 81,384.40 × 22,640.08
  4. Step 4: Simplify right side
    54,247.60x = 1,842,549,326.75
  5. Step 5: Solve for x
    x = 1,842,549,326.75/54,247.60
  6. Step 6: Final answer
    x = 33,965.55

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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.