Home / 48,979.78-73,555.81-48,278.58

Finding the Fourth Proportional to 48,979.78, 73,555.81 and 48,278.58

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Solution

The fourth proportional to 48,979.78, 73,555.81 and 48,278.58 is: 72,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.78 : 73,555.81 = 48,278.58 : x
  2. Step 2: Convert to fraction form
    48,979.78/73,555.81 = 48,278.58/x
  3. Step 3: Cross multiply
    48,979.78x = 73,555.81 × 48,278.58
  4. Step 4: Simplify right side
    48,979.78x = 3,551,170,057.55
  5. Step 5: Solve for x
    x = 3,551,170,057.55/48,979.78
  6. Step 6: Final answer
    x = 72,502.78

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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.