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Finding the Fourth Proportional to 79,806.94, 110,133.58 and 45,817.63

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Solution

The fourth proportional to 79,806.94, 110,133.58 and 45,817.63 is: 63,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.94 : 110,133.58 = 45,817.63 : x
  2. Step 2: Convert to fraction form
    79,806.94/110,133.58 = 45,817.63/x
  3. Step 3: Cross multiply
    79,806.94x = 110,133.58 × 45,817.63
  4. Step 4: Simplify right side
    79,806.94x = 5,046,059,619.02
  5. Step 5: Solve for x
    x = 5,046,059,619.02/79,806.94
  6. Step 6: Final answer
    x = 63,228.33

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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.