Home / 79,510.26-109,658.42-53,974.64

Finding the Fourth Proportional to 79,510.26, 109,658.42 and 53,974.64

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Solution

The fourth proportional to 79,510.26, 109,658.42 and 53,974.64 is: 74,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,510.26 : 109,658.42 = 53,974.64 : x
  2. Step 2: Convert to fraction form
    79,510.26/109,658.42 = 53,974.64/x
  3. Step 3: Cross multiply
    79,510.26x = 109,658.42 × 53,974.64
  4. Step 4: Simplify right side
    79,510.26x = 5,918,773,742.47
  5. Step 5: Solve for x
    x = 5,918,773,742.47/79,510.26
  6. Step 6: Final answer
    x = 74,440.38

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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.