Home / 76,403.18-114,611.07-23,812.65

Finding the Fourth Proportional to 76,403.18, 114,611.07 and 23,812.65

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Solution

The fourth proportional to 76,403.18, 114,611.07 and 23,812.65 is: 35,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403.18 : 114,611.07 = 23,812.65 : x
  2. Step 2: Convert to fraction form
    76,403.18/114,611.07 = 23,812.65/x
  3. Step 3: Cross multiply
    76,403.18x = 114,611.07 × 23,812.65
  4. Step 4: Simplify right side
    76,403.18x = 2,729,193,296.04
  5. Step 5: Solve for x
    x = 2,729,193,296.04/76,403.18
  6. Step 6: Final answer
    x = 35,720.94

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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.