Home / 82,721.34-114,135.57-48,727.17

Finding the Fourth Proportional to 82,721.34, 114,135.57 and 48,727.17

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Solution

The fourth proportional to 82,721.34, 114,135.57 and 48,727.17 is: 67,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.34 : 114,135.57 = 48,727.17 : x
  2. Step 2: Convert to fraction form
    82,721.34/114,135.57 = 48,727.17/x
  3. Step 3: Cross multiply
    82,721.34x = 114,135.57 × 48,727.17
  4. Step 4: Simplify right side
    82,721.34x = 5,561,503,322.44
  5. Step 5: Solve for x
    x = 5,561,503,322.44/82,721.34
  6. Step 6: Final answer
    x = 67,231.78

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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.