Home / 73,271.33-109,248.54-67,015.73

Finding the Fourth Proportional to 73,271.33, 109,248.54 and 67,015.73

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Solution

The fourth proportional to 73,271.33, 109,248.54 and 67,015.73 is: 99,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.33 : 109,248.54 = 67,015.73 : x
  2. Step 2: Convert to fraction form
    73,271.33/109,248.54 = 67,015.73/x
  3. Step 3: Cross multiply
    73,271.33x = 109,248.54 × 67,015.73
  4. Step 4: Simplify right side
    73,271.33x = 7,321,370,659.53
  5. Step 5: Solve for x
    x = 7,321,370,659.53/73,271.33
  6. Step 6: Final answer
    x = 99,921.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.