Home / 69,637.87-96,102.46-39,422.64

Finding the Fourth Proportional to 69,637.87, 96,102.46 and 39,422.64

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Solution

The fourth proportional to 69,637.87, 96,102.46 and 39,422.64 is: 54,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,637.87 : 96,102.46 = 39,422.64 : x
  2. Step 2: Convert to fraction form
    69,637.87/96,102.46 = 39,422.64/x
  3. Step 3: Cross multiply
    69,637.87x = 96,102.46 × 39,422.64
  4. Step 4: Simplify right side
    69,637.87x = 3,788,612,683.69
  5. Step 5: Solve for x
    x = 3,788,612,683.69/69,637.87
  6. Step 6: Final answer
    x = 54,404.49

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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.