Home / 99,626.94-137,481.15-54,303.96

Finding the Fourth Proportional to 99,626.94, 137,481.15 and 54,303.96

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Solution

The fourth proportional to 99,626.94, 137,481.15 and 54,303.96 is: 74,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.94 : 137,481.15 = 54,303.96 : x
  2. Step 2: Convert to fraction form
    99,626.94/137,481.15 = 54,303.96/x
  3. Step 3: Cross multiply
    99,626.94x = 137,481.15 × 54,303.96
  4. Step 4: Simplify right side
    99,626.94x = 7,465,770,870.35
  5. Step 5: Solve for x
    x = 7,465,770,870.35/99,626.94
  6. Step 6: Final answer
    x = 74,937.27

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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.