Home / 64,821.67-89,476.04-37,972.73

Finding the Fourth Proportional to 64,821.67, 89,476.04 and 37,972.73

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Solution

The fourth proportional to 64,821.67, 89,476.04 and 37,972.73 is: 52,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.67 : 89,476.04 = 37,972.73 : x
  2. Step 2: Convert to fraction form
    64,821.67/89,476.04 = 37,972.73/x
  3. Step 3: Cross multiply
    64,821.67x = 89,476.04 × 37,972.73
  4. Step 4: Simplify right side
    64,821.67x = 3,397,649,508.39
  5. Step 5: Solve for x
    x = 3,397,649,508.39/64,821.67
  6. Step 6: Final answer
    x = 52,415.33

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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.