Home / 97,321.12-145,854.50-49,896.02

Finding the Fourth Proportional to 97,321.12, 145,854.50 and 49,896.02

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Solution

The fourth proportional to 97,321.12, 145,854.50 and 49,896.02 is: 74,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.12 : 145,854.50 = 49,896.02 : x
  2. Step 2: Convert to fraction form
    97,321.12/145,854.50 = 49,896.02/x
  3. Step 3: Cross multiply
    97,321.12x = 145,854.50 × 49,896.02
  4. Step 4: Simplify right side
    97,321.12x = 7,277,559,049.09
  5. Step 5: Solve for x
    x = 7,277,559,049.09/97,321.12
  6. Step 6: Final answer
    x = 74,778.83

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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.