Home / 82,791.60-124,150.04-23,613.21

Finding the Fourth Proportional to 82,791.60, 124,150.04 and 23,613.21

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Solution

The fourth proportional to 82,791.60, 124,150.04 and 23,613.21 is: 35,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.60 : 124,150.04 = 23,613.21 : x
  2. Step 2: Convert to fraction form
    82,791.60/124,150.04 = 23,613.21/x
  3. Step 3: Cross multiply
    82,791.60x = 124,150.04 × 23,613.21
  4. Step 4: Simplify right side
    82,791.60x = 2,931,580,847.96
  5. Step 5: Solve for x
    x = 2,931,580,847.96/82,791.60
  6. Step 6: Final answer
    x = 35,409.16

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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.