Home / 79,548.08-109,775.36-43,737.78

Finding the Fourth Proportional to 79,548.08, 109,775.36 and 43,737.78

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Solution

The fourth proportional to 79,548.08, 109,775.36 and 43,737.78 is: 60,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.08 : 109,775.36 = 43,737.78 : x
  2. Step 2: Convert to fraction form
    79,548.08/109,775.36 = 43,737.78/x
  3. Step 3: Cross multiply
    79,548.08x = 109,775.36 × 43,737.78
  4. Step 4: Simplify right side
    79,548.08x = 4,801,330,545.10
  5. Step 5: Solve for x
    x = 4,801,330,545.10/79,548.08
  6. Step 6: Final answer
    x = 60,357.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.