Home / 67,724.73-101,570.76-28,260.45

Finding the Fourth Proportional to 67,724.73, 101,570.76 and 28,260.45

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Solution

The fourth proportional to 67,724.73, 101,570.76 and 28,260.45 is: 42,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.73 : 101,570.76 = 28,260.45 : x
  2. Step 2: Convert to fraction form
    67,724.73/101,570.76 = 28,260.45/x
  3. Step 3: Cross multiply
    67,724.73x = 101,570.76 × 28,260.45
  4. Step 4: Simplify right side
    67,724.73x = 2,870,435,384.44
  5. Step 5: Solve for x
    x = 2,870,435,384.44/67,724.73
  6. Step 6: Final answer
    x = 42,383.86

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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.