Home / 81,026.22-111,816.01-45,214.09

Finding the Fourth Proportional to 81,026.22, 111,816.01 and 45,214.09

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Solution

The fourth proportional to 81,026.22, 111,816.01 and 45,214.09 is: 62,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,026.22 : 111,816.01 = 45,214.09 : x
  2. Step 2: Convert to fraction form
    81,026.22/111,816.01 = 45,214.09/x
  3. Step 3: Cross multiply
    81,026.22x = 111,816.01 × 45,214.09
  4. Step 4: Simplify right side
    81,026.22x = 5,055,659,139.58
  5. Step 5: Solve for x
    x = 5,055,659,139.58/81,026.22
  6. Step 6: Final answer
    x = 62,395.35

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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.