Home / 82,598.20-123,902-23,429.19

Finding the Fourth Proportional to 82,598.20, 123,902 and 23,429.19

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Solution

The fourth proportional to 82,598.20, 123,902 and 23,429.19 is: 35,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,598.20 : 123,902 = 23,429.19 : x
  2. Step 2: Convert to fraction form
    82,598.20/123,902 = 23,429.19/x
  3. Step 3: Cross multiply
    82,598.20x = 123,902 × 23,429.19
  4. Step 4: Simplify right side
    82,598.20x = 2,902,923,499.38
  5. Step 5: Solve for x
    x = 2,902,923,499.38/82,598.20
  6. Step 6: Final answer
    x = 35,145.12

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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.