Home / 82,699.63-124,090.43-32,778.62

Finding the Fourth Proportional to 82,699.63, 124,090.43 and 32,778.62

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Solution

The fourth proportional to 82,699.63, 124,090.43 and 32,778.62 is: 49,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,699.63 : 124,090.43 = 32,778.62 : x
  2. Step 2: Convert to fraction form
    82,699.63/124,090.43 = 32,778.62/x
  3. Step 3: Cross multiply
    82,699.63x = 124,090.43 × 32,778.62
  4. Step 4: Simplify right side
    82,699.63x = 4,067,513,613.99
  5. Step 5: Solve for x
    x = 4,067,513,613.99/82,699.63
  6. Step 6: Final answer
    x = 49,184.18

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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.