Home / 48,981.78-73,558.81-48,280.58

Finding the Fourth Proportional to 48,981.78, 73,558.81 and 48,280.58

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Solution

The fourth proportional to 48,981.78, 73,558.81 and 48,280.58 is: 72,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981.78 : 73,558.81 = 48,280.58 : x
  2. Step 2: Convert to fraction form
    48,981.78/73,558.81 = 48,280.58/x
  3. Step 3: Cross multiply
    48,981.78x = 73,558.81 × 48,280.58
  4. Step 4: Simplify right side
    48,981.78x = 3,551,462,010.91
  5. Step 5: Solve for x
    x = 3,551,462,010.91/48,981.78
  6. Step 6: Final answer
    x = 72,505.78

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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.