Home / 79,274.04-118,923.36-26,679.42

Finding the Fourth Proportional to 79,274.04, 118,923.36 and 26,679.42

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Solution

The fourth proportional to 79,274.04, 118,923.36 and 26,679.42 is: 40,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.04 : 118,923.36 = 26,679.42 : x
  2. Step 2: Convert to fraction form
    79,274.04/118,923.36 = 26,679.42/x
  3. Step 3: Cross multiply
    79,274.04x = 118,923.36 × 26,679.42
  4. Step 4: Simplify right side
    79,274.04x = 3,172,806,269.25
  5. Step 5: Solve for x
    x = 3,172,806,269.25/79,274.04
  6. Step 6: Final answer
    x = 40,023.27

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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.