Home / 69,611.45-96,065.22-39,396.75

Finding the Fourth Proportional to 69,611.45, 96,065.22 and 39,396.75

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Solution

The fourth proportional to 69,611.45, 96,065.22 and 39,396.75 is: 54,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,611.45 : 96,065.22 = 39,396.75 : x
  2. Step 2: Convert to fraction form
    69,611.45/96,065.22 = 39,396.75/x
  3. Step 3: Cross multiply
    69,611.45x = 96,065.22 × 39,396.75
  4. Step 4: Simplify right side
    69,611.45x = 3,784,657,456.04
  5. Step 5: Solve for x
    x = 3,784,657,456.04/69,611.45
  6. Step 6: Final answer
    x = 54,368.32

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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.