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Finding the Fourth Proportional to 79,101.04, 109,198.92 and 45,560.56

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Solution

The fourth proportional to 79,101.04, 109,198.92 and 45,560.56 is: 62,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,101.04 : 109,198.92 = 45,560.56 : x
  2. Step 2: Convert to fraction form
    79,101.04/109,198.92 = 45,560.56/x
  3. Step 3: Cross multiply
    79,101.04x = 109,198.92 × 45,560.56
  4. Step 4: Simplify right side
    79,101.04x = 4,975,163,946.60
  5. Step 5: Solve for x
    x = 4,975,163,946.60/79,101.04
  6. Step 6: Final answer
    x = 62,896.32

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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.