Home / 56,221.05-84,428.78-54,471.45

Finding the Fourth Proportional to 56,221.05, 84,428.78 and 54,471.45

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Solution

The fourth proportional to 56,221.05, 84,428.78 and 54,471.45 is: 81,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221.05 : 84,428.78 = 54,471.45 : x
  2. Step 2: Convert to fraction form
    56,221.05/84,428.78 = 54,471.45/x
  3. Step 3: Cross multiply
    56,221.05x = 84,428.78 × 54,471.45
  4. Step 4: Simplify right side
    56,221.05x = 4,598,957,795.97
  5. Step 5: Solve for x
    x = 4,598,957,795.97/56,221.05
  6. Step 6: Final answer
    x = 81,801.35

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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.