Home / 108,297.90-162,474.55-41,720.15

Finding the Fourth Proportional to 108,297.90, 162,474.55 and 41,720.15

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Solution

The fourth proportional to 108,297.90, 162,474.55 and 41,720.15 is: 62,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,297.90 : 162,474.55 = 41,720.15 : x
  2. Step 2: Convert to fraction form
    108,297.90/162,474.55 = 41,720.15/x
  3. Step 3: Cross multiply
    108,297.90x = 162,474.55 × 41,720.15
  4. Step 4: Simplify right side
    108,297.90x = 6,778,462,597.18
  5. Step 5: Solve for x
    x = 6,778,462,597.18/108,297.90
  6. Step 6: Final answer
    x = 62,590.90

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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.