Home / 53,171.98-73,364.49-35,020.78

Finding the Fourth Proportional to 53,171.98, 73,364.49 and 35,020.78

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Solution

The fourth proportional to 53,171.98, 73,364.49 and 35,020.78 is: 48,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.98 : 73,364.49 = 35,020.78 : x
  2. Step 2: Convert to fraction form
    53,171.98/73,364.49 = 35,020.78/x
  3. Step 3: Cross multiply
    53,171.98x = 73,364.49 × 35,020.78
  4. Step 4: Simplify right side
    53,171.98x = 2,569,281,480.69
  5. Step 5: Solve for x
    x = 2,569,281,480.69/53,171.98
  6. Step 6: Final answer
    x = 48,320.22

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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.