Home / 52,212.97-78,200.59-40,897.68

Finding the Fourth Proportional to 52,212.97, 78,200.59 and 40,897.68

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Solution

The fourth proportional to 52,212.97, 78,200.59 and 40,897.68 is: 61,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.97 : 78,200.59 = 40,897.68 : x
  2. Step 2: Convert to fraction form
    52,212.97/78,200.59 = 40,897.68/x
  3. Step 3: Cross multiply
    52,212.97x = 78,200.59 × 40,897.68
  4. Step 4: Simplify right side
    52,212.97x = 3,198,222,386.82
  5. Step 5: Solve for x
    x = 3,198,222,386.82/52,212.97
  6. Step 6: Final answer
    x = 61,253.41

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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.