Home / 69,613.62-96,065.76-39,404.67

Finding the Fourth Proportional to 69,613.62, 96,065.76 and 39,404.67

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Solution

The fourth proportional to 69,613.62, 96,065.76 and 39,404.67 is: 54,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.62 : 96,065.76 = 39,404.67 : x
  2. Step 2: Convert to fraction form
    69,613.62/96,065.76 = 39,404.67/x
  3. Step 3: Cross multiply
    69,613.62x = 96,065.76 × 39,404.67
  4. Step 4: Simplify right side
    69,613.62x = 3,785,439,571.10
  5. Step 5: Solve for x
    x = 3,785,439,571.10/69,613.62
  6. Step 6: Final answer
    x = 54,377.86

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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.