Home / 53,930.56-81,187.04-48,505.44

Finding the Fourth Proportional to 53,930.56, 81,187.04 and 48,505.44

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Solution

The fourth proportional to 53,930.56, 81,187.04 and 48,505.44 is: 73,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.56 : 81,187.04 = 48,505.44 : x
  2. Step 2: Convert to fraction form
    53,930.56/81,187.04 = 48,505.44/x
  3. Step 3: Cross multiply
    53,930.56x = 81,187.04 × 48,505.44
  4. Step 4: Simplify right side
    53,930.56x = 3,938,013,097.50
  5. Step 5: Solve for x
    x = 3,938,013,097.50/53,930.56
  6. Step 6: Final answer
    x = 73,020.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.