Home / 54,997.72-75,897.99-31,124.39

Finding the Fourth Proportional to 54,997.72, 75,897.99 and 31,124.39

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Solution

The fourth proportional to 54,997.72, 75,897.99 and 31,124.39 is: 42,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997.72 : 75,897.99 = 31,124.39 : x
  2. Step 2: Convert to fraction form
    54,997.72/75,897.99 = 31,124.39/x
  3. Step 3: Cross multiply
    54,997.72x = 75,897.99 × 31,124.39
  4. Step 4: Simplify right side
    54,997.72x = 2,362,278,640.98
  5. Step 5: Solve for x
    x = 2,362,278,640.98/54,997.72
  6. Step 6: Final answer
    x = 42,952.30

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1.5x scale

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.