Home / 54,279.74-74,910.20-34,153.88

Finding the Fourth Proportional to 54,279.74, 74,910.20 and 34,153.88

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Solution

The fourth proportional to 54,279.74, 74,910.20 and 34,153.88 is: 47,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.74 : 74,910.20 = 34,153.88 : x
  2. Step 2: Convert to fraction form
    54,279.74/74,910.20 = 34,153.88/x
  3. Step 3: Cross multiply
    54,279.74x = 74,910.20 × 34,153.88
  4. Step 4: Simplify right side
    54,279.74x = 2,558,473,436.26
  5. Step 5: Solve for x
    x = 2,558,473,436.26/54,279.74
  6. Step 6: Final answer
    x = 47,134.96

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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.