Home / 53,940.72-74,437.11-30,065.97

Finding the Fourth Proportional to 53,940.72, 74,437.11 and 30,065.97

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Solution

The fourth proportional to 53,940.72, 74,437.11 and 30,065.97 is: 41,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.72 : 74,437.11 = 30,065.97 : x
  2. Step 2: Convert to fraction form
    53,940.72/74,437.11 = 30,065.97/x
  3. Step 3: Cross multiply
    53,940.72x = 74,437.11 × 30,065.97
  4. Step 4: Simplify right side
    53,940.72x = 2,238,023,916.15
  5. Step 5: Solve for x
    x = 2,238,023,916.15/53,940.72
  6. Step 6: Final answer
    x = 41,490.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.