Home / 107,703.24-161,554.92-48,469.72

Finding the Fourth Proportional to 107,703.24, 161,554.92 and 48,469.72

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Solution

The fourth proportional to 107,703.24, 161,554.92 and 48,469.72 is: 72,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.24 : 161,554.92 = 48,469.72 : x
  2. Step 2: Convert to fraction form
    107,703.24/161,554.92 = 48,469.72/x
  3. Step 3: Cross multiply
    107,703.24x = 161,554.92 × 48,469.72
  4. Step 4: Simplify right side
    107,703.24x = 7,830,521,737.02
  5. Step 5: Solve for x
    x = 7,830,521,737.02/107,703.24
  6. Step 6: Final answer
    x = 72,704.61

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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.