Home / 79,255.24-118,057.10-75,047.98

Finding the Fourth Proportional to 79,255.24, 118,057.10 and 75,047.98

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Solution

The fourth proportional to 79,255.24, 118,057.10 and 75,047.98 is: 111,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.24 : 118,057.10 = 75,047.98 : x
  2. Step 2: Convert to fraction form
    79,255.24/118,057.10 = 75,047.98/x
  3. Step 3: Cross multiply
    79,255.24x = 118,057.10 × 75,047.98
  4. Step 4: Simplify right side
    79,255.24x = 8,859,946,879.66
  5. Step 5: Solve for x
    x = 8,859,946,879.66/79,255.24
  6. Step 6: Final answer
    x = 111,790.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.