Home / 68,434.24-102,651.26-21,683.47

Finding the Fourth Proportional to 68,434.24, 102,651.26 and 21,683.47

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Solution

The fourth proportional to 68,434.24, 102,651.26 and 21,683.47 is: 32,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,434.24 : 102,651.26 = 21,683.47 : x
  2. Step 2: Convert to fraction form
    68,434.24/102,651.26 = 21,683.47/x
  3. Step 3: Cross multiply
    68,434.24x = 102,651.26 × 21,683.47
  4. Step 4: Simplify right side
    68,434.24x = 2,225,835,516.67
  5. Step 5: Solve for x
    x = 2,225,835,516.67/68,434.24
  6. Step 6: Final answer
    x = 32,525.17

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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.