Home / 74,108.20-110,944.28-45,937.82

Finding the Fourth Proportional to 74,108.20, 110,944.28 and 45,937.82

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Solution

The fourth proportional to 74,108.20, 110,944.28 and 45,937.82 is: 68,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.20 : 110,944.28 = 45,937.82 : x
  2. Step 2: Convert to fraction form
    74,108.20/110,944.28 = 45,937.82/x
  3. Step 3: Cross multiply
    74,108.20x = 110,944.28 × 45,937.82
  4. Step 4: Simplify right side
    74,108.20x = 5,096,538,132.81
  5. Step 5: Solve for x
    x = 5,096,538,132.81/74,108.20
  6. Step 6: Final answer
    x = 68,771.58

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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.