Home / 72,215.54-108,281.62-22,282.22

Finding the Fourth Proportional to 72,215.54, 108,281.62 and 22,282.22

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Solution

The fourth proportional to 72,215.54, 108,281.62 and 22,282.22 is: 33,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215.54 : 108,281.62 = 22,282.22 : x
  2. Step 2: Convert to fraction form
    72,215.54/108,281.62 = 22,282.22/x
  3. Step 3: Cross multiply
    72,215.54x = 108,281.62 × 22,282.22
  4. Step 4: Simplify right side
    72,215.54x = 2,412,754,878.80
  5. Step 5: Solve for x
    x = 2,412,754,878.80/72,215.54
  6. Step 6: Final answer
    x = 33,410.47

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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.