Home / 54,453.78-81,737.91-48,253.50

Finding the Fourth Proportional to 54,453.78, 81,737.91 and 48,253.50

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Solution

The fourth proportional to 54,453.78, 81,737.91 and 48,253.50 is: 72,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.78 : 81,737.91 = 48,253.50 : x
  2. Step 2: Convert to fraction form
    54,453.78/81,737.91 = 48,253.50/x
  3. Step 3: Cross multiply
    54,453.78x = 81,737.91 × 48,253.50
  4. Step 4: Simplify right side
    54,453.78x = 3,944,140,240.19
  5. Step 5: Solve for x
    x = 3,944,140,240.19/54,453.78
  6. Step 6: Final answer
    x = 72,430.97

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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.