Home / 54,653.03-75,426.54-31,990.65

Finding the Fourth Proportional to 54,653.03, 75,426.54 and 31,990.65

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Solution

The fourth proportional to 54,653.03, 75,426.54 and 31,990.65 is: 44,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.03 : 75,426.54 = 31,990.65 : x
  2. Step 2: Convert to fraction form
    54,653.03/75,426.54 = 31,990.65/x
  3. Step 3: Cross multiply
    54,653.03x = 75,426.54 × 31,990.65
  4. Step 4: Simplify right side
    54,653.03x = 2,412,943,818.98
  5. Step 5: Solve for x
    x = 2,412,943,818.98/54,653.03
  6. Step 6: Final answer
    x = 44,150.23

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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.