Home / 53,158.18-79,737.32-49,910.48

Finding the Fourth Proportional to 53,158.18, 79,737.32 and 49,910.48

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Solution

The fourth proportional to 53,158.18, 79,737.32 and 49,910.48 is: 74,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.18 : 79,737.32 = 49,910.48 : x
  2. Step 2: Convert to fraction form
    53,158.18/79,737.32 = 49,910.48/x
  3. Step 3: Cross multiply
    53,158.18x = 79,737.32 × 49,910.48
  4. Step 4: Simplify right side
    53,158.18x = 3,979,728,239.23
  5. Step 5: Solve for x
    x = 3,979,728,239.23/53,158.18
  6. Step 6: Final answer
    x = 74,865.78

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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.