Home / 54,701.46-75,488.49-30,823.56

Finding the Fourth Proportional to 54,701.46, 75,488.49 and 30,823.56

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Solution

The fourth proportional to 54,701.46, 75,488.49 and 30,823.56 is: 42,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,701.46 : 75,488.49 = 30,823.56 : x
  2. Step 2: Convert to fraction form
    54,701.46/75,488.49 = 30,823.56/x
  3. Step 3: Cross multiply
    54,701.46x = 75,488.49 × 30,823.56
  4. Step 4: Simplify right side
    54,701.46x = 2,326,824,000.82
  5. Step 5: Solve for x
    x = 2,326,824,000.82/54,701.46
  6. Step 6: Final answer
    x = 42,536.78

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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.