Home / 99,619.44-137,470.80-54,296.46

Finding the Fourth Proportional to 99,619.44, 137,470.80 and 54,296.46

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Solution

The fourth proportional to 99,619.44, 137,470.80 and 54,296.46 is: 74,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,619.44 : 137,470.80 = 54,296.46 : x
  2. Step 2: Convert to fraction form
    99,619.44/137,470.80 = 54,296.46/x
  3. Step 3: Cross multiply
    99,619.44x = 137,470.80 × 54,296.46
  4. Step 4: Simplify right side
    99,619.44x = 7,464,177,996.98
  5. Step 5: Solve for x
    x = 7,464,177,996.98/99,619.44
  6. Step 6: Final answer
    x = 74,926.92

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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.