Home / 81,067.22-111,840.99-47,069.90

Finding the Fourth Proportional to 81,067.22, 111,840.99 and 47,069.90

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Solution

The fourth proportional to 81,067.22, 111,840.99 and 47,069.90 is: 64,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,067.22 : 111,840.99 = 47,069.90 : x
  2. Step 2: Convert to fraction form
    81,067.22/111,840.99 = 47,069.90/x
  3. Step 3: Cross multiply
    81,067.22x = 111,840.99 × 47,069.90
  4. Step 4: Simplify right side
    81,067.22x = 5,264,344,215.20
  5. Step 5: Solve for x
    x = 5,264,344,215.20/81,067.22
  6. Step 6: Final answer
    x = 64,938.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.