Home / 79,126.92-109,197.07-43,316.82

Finding the Fourth Proportional to 79,126.92, 109,197.07 and 43,316.82

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Solution

The fourth proportional to 79,126.92, 109,197.07 and 43,316.82 is: 59,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126.92 : 109,197.07 = 43,316.82 : x
  2. Step 2: Convert to fraction form
    79,126.92/109,197.07 = 43,316.82/x
  3. Step 3: Cross multiply
    79,126.92x = 109,197.07 × 43,316.82
  4. Step 4: Simplify right side
    79,126.92x = 4,730,069,307.94
  5. Step 5: Solve for x
    x = 4,730,069,307.94/79,126.92
  6. Step 6: Final answer
    x = 59,778.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.