Home / 108,356.85-162,567.48-52,180.72

Finding the Fourth Proportional to 108,356.85, 162,567.48 and 52,180.72

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Solution

The fourth proportional to 108,356.85, 162,567.48 and 52,180.72 is: 78,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,356.85 : 162,567.48 = 52,180.72 : x
  2. Step 2: Convert to fraction form
    108,356.85/162,567.48 = 52,180.72/x
  3. Step 3: Cross multiply
    108,356.85x = 162,567.48 × 52,180.72
  4. Step 4: Simplify right side
    108,356.85x = 8,482,888,024.53
  5. Step 5: Solve for x
    x = 8,482,888,024.53/108,356.85
  6. Step 6: Final answer
    x = 78,286.59

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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.