Home / 78,826.66-118,253.36-34,452.43

Finding the Fourth Proportional to 78,826.66, 118,253.36 and 34,452.43

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Solution

The fourth proportional to 78,826.66, 118,253.36 and 34,452.43 is: 51,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826.66 : 118,253.36 = 34,452.43 : x
  2. Step 2: Convert to fraction form
    78,826.66/118,253.36 = 34,452.43/x
  3. Step 3: Cross multiply
    78,826.66x = 118,253.36 × 34,452.43
  4. Step 4: Simplify right side
    78,826.66x = 4,074,115,607.66
  5. Step 5: Solve for x
    x = 4,074,115,607.66/78,826.66
  6. Step 6: Final answer
    x = 51,684.49

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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.