Home / 79,084.92-118,627.37-19,925.19

Finding the Fourth Proportional to 79,084.92, 118,627.37 and 19,925.19

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Solution

The fourth proportional to 79,084.92, 118,627.37 and 19,925.19 is: 29,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,084.92 : 118,627.37 = 19,925.19 : x
  2. Step 2: Convert to fraction form
    79,084.92/118,627.37 = 19,925.19/x
  3. Step 3: Cross multiply
    79,084.92x = 118,627.37 × 19,925.19
  4. Step 4: Simplify right side
    79,084.92x = 2,363,672,786.82
  5. Step 5: Solve for x
    x = 2,363,672,786.82/79,084.92
  6. Step 6: Final answer
    x = 29,887.78

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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.