Home / 108,537.20-162,854.40-49,342.40

Finding the Fourth Proportional to 108,537.20, 162,854.40 and 49,342.40

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Solution

The fourth proportional to 108,537.20, 162,854.40 and 49,342.40 is: 74,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,537.20 : 162,854.40 = 49,342.40 : x
  2. Step 2: Convert to fraction form
    108,537.20/162,854.40 = 49,342.40/x
  3. Step 3: Cross multiply
    108,537.20x = 162,854.40 × 49,342.40
  4. Step 4: Simplify right side
    108,537.20x = 8,035,626,946.56
  5. Step 5: Solve for x
    x = 8,035,626,946.56/108,537.20
  6. Step 6: Final answer
    x = 74,035.69

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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.