Home / 77,362.91-106,795.78-48,724.66

Finding the Fourth Proportional to 77,362.91, 106,795.78 and 48,724.66

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Solution

The fourth proportional to 77,362.91, 106,795.78 and 48,724.66 is: 67,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,362.91 : 106,795.78 = 48,724.66 : x
  2. Step 2: Convert to fraction form
    77,362.91/106,795.78 = 48,724.66/x
  3. Step 3: Cross multiply
    77,362.91x = 106,795.78 × 48,724.66
  4. Step 4: Simplify right side
    77,362.91x = 5,203,587,754.97
  5. Step 5: Solve for x
    x = 5,203,587,754.97/77,362.91
  6. Step 6: Final answer
    x = 67,262.05

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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.