Home / 54,041.63-74,575.86-30,167.78

Finding the Fourth Proportional to 54,041.63, 74,575.86 and 30,167.78

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Solution

The fourth proportional to 54,041.63, 74,575.86 and 30,167.78 is: 41,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,041.63 : 74,575.86 = 30,167.78 : x
  2. Step 2: Convert to fraction form
    54,041.63/74,575.86 = 30,167.78/x
  3. Step 3: Cross multiply
    54,041.63x = 74,575.86 × 30,167.78
  4. Step 4: Simplify right side
    54,041.63x = 2,249,787,764.91
  5. Step 5: Solve for x
    x = 2,249,787,764.91/54,041.63
  6. Step 6: Final answer
    x = 41,630.65

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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.