Home / 53,791.58-74,227.18-31,126.05

Finding the Fourth Proportional to 53,791.58, 74,227.18 and 31,126.05

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Solution

The fourth proportional to 53,791.58, 74,227.18 and 31,126.05 is: 42,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.58 : 74,227.18 = 31,126.05 : x
  2. Step 2: Convert to fraction form
    53,791.58/74,227.18 = 31,126.05/x
  3. Step 3: Cross multiply
    53,791.58x = 74,227.18 × 31,126.05
  4. Step 4: Simplify right side
    53,791.58x = 2,310,398,916.04
  5. Step 5: Solve for x
    x = 2,310,398,916.04/53,791.58
  6. Step 6: Final answer
    x = 42,950.94

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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.