Home / 69,648.14-96,113.45-39,432.68

Finding the Fourth Proportional to 69,648.14, 96,113.45 and 39,432.68

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Solution

The fourth proportional to 69,648.14, 96,113.45 and 39,432.68 is: 54,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648.14 : 96,113.45 = 39,432.68 : x
  2. Step 2: Convert to fraction form
    69,648.14/96,113.45 = 39,432.68/x
  3. Step 3: Cross multiply
    69,648.14x = 96,113.45 × 39,432.68
  4. Step 4: Simplify right side
    69,648.14x = 3,790,010,917.55
  5. Step 5: Solve for x
    x = 3,790,010,917.55/69,648.14
  6. Step 6: Final answer
    x = 54,416.54

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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.