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Finding the Fourth Proportional to 79,357.17, 109,512.83 and 45,366.41

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Solution

The fourth proportional to 79,357.17, 109,512.83 and 45,366.41 is: 62,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.17 : 109,512.83 = 45,366.41 : x
  2. Step 2: Convert to fraction form
    79,357.17/109,512.83 = 45,366.41/x
  3. Step 3: Cross multiply
    79,357.17x = 109,512.83 × 45,366.41
  4. Step 4: Simplify right side
    79,357.17x = 4,968,203,171.64
  5. Step 5: Solve for x
    x = 4,968,203,171.64/79,357.17
  6. Step 6: Final answer
    x = 62,605.60

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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.