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Finding the Fourth Proportional to 71,171.51, 106,720.99 and 23,769.55

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Solution

The fourth proportional to 71,171.51, 106,720.99 and 23,769.55 is: 35,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,171.51 : 106,720.99 = 23,769.55 : x
  2. Step 2: Convert to fraction form
    71,171.51/106,720.99 = 23,769.55/x
  3. Step 3: Cross multiply
    71,171.51x = 106,720.99 × 23,769.55
  4. Step 4: Simplify right side
    71,171.51x = 2,536,710,115.54
  5. Step 5: Solve for x
    x = 2,536,710,115.54/71,171.51
  6. Step 6: Final answer
    x = 35,642.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.