Home / 79,103.19-118,679.63-34,767.21

Finding the Fourth Proportional to 79,103.19, 118,679.63 and 34,767.21

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Solution

The fourth proportional to 79,103.19, 118,679.63 and 34,767.21 is: 52,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,103.19 : 118,679.63 = 34,767.21 : x
  2. Step 2: Convert to fraction form
    79,103.19/118,679.63 = 34,767.21/x
  3. Step 3: Cross multiply
    79,103.19x = 118,679.63 × 34,767.21
  4. Step 4: Simplify right side
    79,103.19x = 4,126,159,445.10
  5. Step 5: Solve for x
    x = 4,126,159,445.10/79,103.19
  6. Step 6: Final answer
    x = 52,161.73

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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.