Home / 75,882.22-113,835.68-28,501

Finding the Fourth Proportional to 75,882.22, 113,835.68 and 28,501

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Solution

The fourth proportional to 75,882.22, 113,835.68 and 28,501 is: 42,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,882.22 : 113,835.68 = 28,501 : x
  2. Step 2: Convert to fraction form
    75,882.22/113,835.68 = 28,501/x
  3. Step 3: Cross multiply
    75,882.22x = 113,835.68 × 28,501
  4. Step 4: Simplify right side
    75,882.22x = 3,244,430,715.68
  5. Step 5: Solve for x
    x = 3,244,430,715.68/75,882.22
  6. Step 6: Final answer
    x = 42,756.14

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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.