Home / 75,072.62-103,598.85-41,538.62

Finding the Fourth Proportional to 75,072.62, 103,598.85 and 41,538.62

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Solution

The fourth proportional to 75,072.62, 103,598.85 and 41,538.62 is: 57,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.62 : 103,598.85 = 41,538.62 : x
  2. Step 2: Convert to fraction form
    75,072.62/103,598.85 = 41,538.62/x
  3. Step 3: Cross multiply
    75,072.62x = 103,598.85 × 41,538.62
  4. Step 4: Simplify right side
    75,072.62x = 4,303,353,262.59
  5. Step 5: Solve for x
    x = 4,303,353,262.59/75,072.62
  6. Step 6: Final answer
    x = 57,322.54

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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.