Home / 74,138.37-111,160.82-62,897.63

Finding the Fourth Proportional to 74,138.37, 111,160.82 and 62,897.63

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Solution

The fourth proportional to 74,138.37, 111,160.82 and 62,897.63 is: 94,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,138.37 : 111,160.82 = 62,897.63 : x
  2. Step 2: Convert to fraction form
    74,138.37/111,160.82 = 62,897.63/x
  3. Step 3: Cross multiply
    74,138.37x = 111,160.82 × 62,897.63
  4. Step 4: Simplify right side
    74,138.37x = 6,991,752,126.86
  5. Step 5: Solve for x
    x = 6,991,752,126.86/74,138.37
  6. Step 6: Final answer
    x = 94,306.80

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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.