Home / 54,845.49-75,686.82-30,973.71

Finding the Fourth Proportional to 54,845.49, 75,686.82 and 30,973.71

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Solution

The fourth proportional to 54,845.49, 75,686.82 and 30,973.71 is: 42,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.49 : 75,686.82 = 30,973.71 : x
  2. Step 2: Convert to fraction form
    54,845.49/75,686.82 = 30,973.71/x
  3. Step 3: Cross multiply
    54,845.49x = 75,686.82 × 30,973.71
  4. Step 4: Simplify right side
    54,845.49x = 2,344,301,613.50
  5. Step 5: Solve for x
    x = 2,344,301,613.50/54,845.49
  6. Step 6: Final answer
    x = 42,743.74

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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.