Home / 79,023.29-118,521.70-26,432.60

Finding the Fourth Proportional to 79,023.29, 118,521.70 and 26,432.60

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Solution

The fourth proportional to 79,023.29, 118,521.70 and 26,432.60 is: 39,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,023.29 : 118,521.70 = 26,432.60 : x
  2. Step 2: Convert to fraction form
    79,023.29/118,521.70 = 26,432.60/x
  3. Step 3: Cross multiply
    79,023.29x = 118,521.70 × 26,432.60
  4. Step 4: Simplify right side
    79,023.29x = 3,132,836,028.73
  5. Step 5: Solve for x
    x = 3,132,836,028.73/79,023.29
  6. Step 6: Final answer
    x = 39,644.47

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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.