Home / 69,683.14-96,161.11-40,609.65

Finding the Fourth Proportional to 69,683.14, 96,161.11 and 40,609.65

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Solution

The fourth proportional to 69,683.14, 96,161.11 and 40,609.65 is: 56,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.14 : 96,161.11 = 40,609.65 : x
  2. Step 2: Convert to fraction form
    69,683.14/96,161.11 = 40,609.65/x
  3. Step 3: Cross multiply
    69,683.14x = 96,161.11 × 40,609.65
  4. Step 4: Simplify right side
    69,683.14x = 3,905,068,967.31
  5. Step 5: Solve for x
    x = 3,905,068,967.31/69,683.14
  6. Step 6: Final answer
    x = 56,040.37

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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.