Home / 53,756.83-74,178.08-31,949.71

Finding the Fourth Proportional to 53,756.83, 74,178.08 and 31,949.71

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Solution

The fourth proportional to 53,756.83, 74,178.08 and 31,949.71 is: 44,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.83 : 74,178.08 = 31,949.71 : x
  2. Step 2: Convert to fraction form
    53,756.83/74,178.08 = 31,949.71/x
  3. Step 3: Cross multiply
    53,756.83x = 74,178.08 × 31,949.71
  4. Step 4: Simplify right side
    53,756.83x = 2,369,967,918.97
  5. Step 5: Solve for x
    x = 2,369,967,918.97/53,756.83
  6. Step 6: Final answer
    x = 44,086.82

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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.