Home / 79,830.03-110,160.92-49,614.58

Finding the Fourth Proportional to 79,830.03, 110,160.92 and 49,614.58

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Solution

The fourth proportional to 79,830.03, 110,160.92 and 49,614.58 is: 68,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.03 : 110,160.92 = 49,614.58 : x
  2. Step 2: Convert to fraction form
    79,830.03/110,160.92 = 49,614.58/x
  3. Step 3: Cross multiply
    79,830.03x = 110,160.92 × 49,614.58
  4. Step 4: Simplify right side
    79,830.03x = 5,465,586,979.34
  5. Step 5: Solve for x
    x = 5,465,586,979.34/79,830.03
  6. Step 6: Final answer
    x = 68,465.30

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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.