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Finding the Fourth Proportional to 79,201.80, 118,889.10 and 44,209.80

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Solution

The fourth proportional to 79,201.80, 118,889.10 and 44,209.80 is: 66,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.80 : 118,889.10 = 44,209.80 : x
  2. Step 2: Convert to fraction form
    79,201.80/118,889.10 = 44,209.80/x
  3. Step 3: Cross multiply
    79,201.80x = 118,889.10 × 44,209.80
  4. Step 4: Simplify right side
    79,201.80x = 5,256,063,333.18
  5. Step 5: Solve for x
    x = 5,256,063,333.18/79,201.80
  6. Step 6: Final answer
    x = 66,362.93

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1.5x scale

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.