Home / 99,337.94-137,084.40-54,015.53

Finding the Fourth Proportional to 99,337.94, 137,084.40 and 54,015.53

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Solution

The fourth proportional to 99,337.94, 137,084.40 and 54,015.53 is: 74,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.94 : 137,084.40 = 54,015.53 : x
  2. Step 2: Convert to fraction form
    99,337.94/137,084.40 = 54,015.53/x
  3. Step 3: Cross multiply
    99,337.94x = 137,084.40 × 54,015.53
  4. Step 4: Simplify right side
    99,337.94x = 7,404,685,835.31
  5. Step 5: Solve for x
    x = 7,404,685,835.31/99,337.94
  6. Step 6: Final answer
    x = 74,540.36

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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.