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Finding the Fourth Proportional to 65,069.26, 89,791.85 and 35,995.89

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Solution

The fourth proportional to 65,069.26, 89,791.85 and 35,995.89 is: 49,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,069.26 : 89,791.85 = 35,995.89 : x
  2. Step 2: Convert to fraction form
    65,069.26/89,791.85 = 35,995.89/x
  3. Step 3: Cross multiply
    65,069.26x = 89,791.85 × 35,995.89
  4. Step 4: Simplify right side
    65,069.26x = 3,232,136,926.56
  5. Step 5: Solve for x
    x = 3,232,136,926.56/65,069.26
  6. Step 6: Final answer
    x = 49,672.26

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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.