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Finding the Fourth Proportional to 69,614.81, 95,995.82 and 41,315.03

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Solution

The fourth proportional to 69,614.81, 95,995.82 and 41,315.03 is: 56,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614.81 : 95,995.82 = 41,315.03 : x
  2. Step 2: Convert to fraction form
    69,614.81/95,995.82 = 41,315.03/x
  3. Step 3: Cross multiply
    69,614.81x = 95,995.82 × 41,315.03
  4. Step 4: Simplify right side
    69,614.81x = 3,966,070,183.17
  5. Step 5: Solve for x
    x = 3,966,070,183.17/69,614.81
  6. Step 6: Final answer
    x = 56,971.64

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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.