Home / 69,683.12-96,211.32-53,523.44

Finding the Fourth Proportional to 69,683.12, 96,211.32 and 53,523.44

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Solution

The fourth proportional to 69,683.12, 96,211.32 and 53,523.44 is: 73,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.12 : 96,211.32 = 53,523.44 : x
  2. Step 2: Convert to fraction form
    69,683.12/96,211.32 = 53,523.44/x
  3. Step 3: Cross multiply
    69,683.12x = 96,211.32 × 53,523.44
  4. Step 4: Simplify right side
    69,683.12x = 5,149,560,813.34
  5. Step 5: Solve for x
    x = 5,149,560,813.34/69,683.12
  6. Step 6: Final answer
    x = 73,899.69

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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.