Home / 69,775.10-96,297.75-39,156.62

Finding the Fourth Proportional to 69,775.10, 96,297.75 and 39,156.62

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Solution

The fourth proportional to 69,775.10, 96,297.75 and 39,156.62 is: 54,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.10 : 96,297.75 = 39,156.62 : x
  2. Step 2: Convert to fraction form
    69,775.10/96,297.75 = 39,156.62/x
  3. Step 3: Cross multiply
    69,775.10x = 96,297.75 × 39,156.62
  4. Step 4: Simplify right side
    69,775.10x = 3,770,694,403.61
  5. Step 5: Solve for x
    x = 3,770,694,403.61/69,775.10
  6. Step 6: Final answer
    x = 54,040.69

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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.