Home / 79,944.76-110,333.10-66,492.28

Finding the Fourth Proportional to 79,944.76, 110,333.10 and 66,492.28

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Solution

The fourth proportional to 79,944.76, 110,333.10 and 66,492.28 is: 91,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,944.76 : 110,333.10 = 66,492.28 : x
  2. Step 2: Convert to fraction form
    79,944.76/110,333.10 = 66,492.28/x
  3. Step 3: Cross multiply
    79,944.76x = 110,333.10 × 66,492.28
  4. Step 4: Simplify right side
    79,944.76x = 7,336,299,378.47
  5. Step 5: Solve for x
    x = 7,336,299,378.47/79,944.76
  6. Step 6: Final answer
    x = 91,767.11

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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.