Home / 69,133.98-95,403.36-38,506.86

Finding the Fourth Proportional to 69,133.98, 95,403.36 and 38,506.86

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Solution

The fourth proportional to 69,133.98, 95,403.36 and 38,506.86 is: 53,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.98 : 95,403.36 = 38,506.86 : x
  2. Step 2: Convert to fraction form
    69,133.98/95,403.36 = 38,506.86/x
  3. Step 3: Cross multiply
    69,133.98x = 95,403.36 × 38,506.86
  4. Step 4: Simplify right side
    69,133.98x = 3,673,683,827.05
  5. Step 5: Solve for x
    x = 3,673,683,827.05/69,133.98
  6. Step 6: Final answer
    x = 53,138.61

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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.