Home / 115,146.50-172,645.53-48,568.82

Finding the Fourth Proportional to 115,146.50, 172,645.53 and 48,568.82

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Solution

The fourth proportional to 115,146.50, 172,645.53 and 48,568.82 is: 72,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,146.50 : 172,645.53 = 48,568.82 : x
  2. Step 2: Convert to fraction form
    115,146.50/172,645.53 = 48,568.82/x
  3. Step 3: Cross multiply
    115,146.50x = 172,645.53 × 48,568.82
  4. Step 4: Simplify right side
    115,146.50x = 8,385,189,670.37
  5. Step 5: Solve for x
    x = 8,385,189,670.37/115,146.50
  6. Step 6: Final answer
    x = 72,821.92

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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.