Home / 79,791.12-119,682.36-24,387.12

Finding the Fourth Proportional to 79,791.12, 119,682.36 and 24,387.12

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Solution

The fourth proportional to 79,791.12, 119,682.36 and 24,387.12 is: 36,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.12 : 119,682.36 = 24,387.12 : x
  2. Step 2: Convert to fraction form
    79,791.12/119,682.36 = 24,387.12/x
  3. Step 3: Cross multiply
    79,791.12x = 119,682.36 × 24,387.12
  4. Step 4: Simplify right side
    79,791.12x = 2,918,708,075.20
  5. Step 5: Solve for x
    x = 2,918,708,075.20/79,791.12
  6. Step 6: Final answer
    x = 36,579.36

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1.5x scale

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.