Home / 54,995.28-75,895.56-31,122.96

Finding the Fourth Proportional to 54,995.28, 75,895.56 and 31,122.96

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Solution

The fourth proportional to 54,995.28, 75,895.56 and 31,122.96 is: 42,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.28 : 75,895.56 = 31,122.96 : x
  2. Step 2: Convert to fraction form
    54,995.28/75,895.56 = 31,122.96/x
  3. Step 3: Cross multiply
    54,995.28x = 75,895.56 × 31,122.96
  4. Step 4: Simplify right side
    54,995.28x = 2,362,094,478.06
  5. Step 5: Solve for x
    x = 2,362,094,478.06/54,995.28
  6. Step 6: Final answer
    x = 42,950.86

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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.