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Finding the Fourth Proportional to 79,952.76, 110,344.14 and 66,500.28

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Solution

The fourth proportional to 79,952.76, 110,344.14 and 66,500.28 is: 91,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,952.76 : 110,344.14 = 66,500.28 : x
  2. Step 2: Convert to fraction form
    79,952.76/110,344.14 = 66,500.28/x
  3. Step 3: Cross multiply
    79,952.76x = 110,344.14 × 66,500.28
  4. Step 4: Simplify right side
    79,952.76x = 7,337,916,206.36
  5. Step 5: Solve for x
    x = 7,337,916,206.36/79,952.76
  6. Step 6: Final answer
    x = 91,778.15

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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.