Home / 54,887.29-75,745.95-31,013.48

Finding the Fourth Proportional to 54,887.29, 75,745.95 and 31,013.48

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Solution

The fourth proportional to 54,887.29, 75,745.95 and 31,013.48 is: 42,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.29 : 75,745.95 = 31,013.48 : x
  2. Step 2: Convert to fraction form
    54,887.29/75,745.95 = 31,013.48/x
  3. Step 3: Cross multiply
    54,887.29x = 75,745.95 × 31,013.48
  4. Step 4: Simplify right side
    54,887.29x = 2,349,145,505.41
  5. Step 5: Solve for x
    x = 2,349,145,505.41/54,887.29
  6. Step 6: Final answer
    x = 42,799.44

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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.