Home / 91,843.08-137,633.06-52,318.58

Finding the Fourth Proportional to 91,843.08, 137,633.06 and 52,318.58

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Solution

The fourth proportional to 91,843.08, 137,633.06 and 52,318.58 is: 78,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,843.08 : 137,633.06 = 52,318.58 : x
  2. Step 2: Convert to fraction form
    91,843.08/137,633.06 = 52,318.58/x
  3. Step 3: Cross multiply
    91,843.08x = 137,633.06 × 52,318.58
  4. Step 4: Simplify right side
    91,843.08x = 7,200,766,260.25
  5. Step 5: Solve for x
    x = 7,200,766,260.25/91,843.08
  6. Step 6: Final answer
    x = 78,402.93

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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.