Home / 53,470.58-73,791.14-30,807.81

Finding the Fourth Proportional to 53,470.58, 73,791.14 and 30,807.81

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Solution

The fourth proportional to 53,470.58, 73,791.14 and 30,807.81 is: 42,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.58 : 73,791.14 = 30,807.81 : x
  2. Step 2: Convert to fraction form
    53,470.58/73,791.14 = 30,807.81/x
  3. Step 3: Cross multiply
    53,470.58x = 73,791.14 × 30,807.81
  4. Step 4: Simplify right side
    53,470.58x = 2,273,343,266.76
  5. Step 5: Solve for x
    x = 2,273,343,266.76/53,470.58
  6. Step 6: Final answer
    x = 42,515.78

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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.