Home / 53,112.78-79,695.18-33,400.62

Finding the Fourth Proportional to 53,112.78, 79,695.18 and 33,400.62

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Solution

The fourth proportional to 53,112.78, 79,695.18 and 33,400.62 is: 50,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.78 : 79,695.18 = 33,400.62 : x
  2. Step 2: Convert to fraction form
    53,112.78/79,695.18 = 33,400.62/x
  3. Step 3: Cross multiply
    53,112.78x = 79,695.18 × 33,400.62
  4. Step 4: Simplify right side
    53,112.78x = 2,661,868,423.01
  5. Step 5: Solve for x
    x = 2,661,868,423.01/53,112.78
  6. Step 6: Final answer
    x = 50,117.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.