Home / 69,860.80-96,404.96-38,029.04

Finding the Fourth Proportional to 69,860.80, 96,404.96 and 38,029.04

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Solution

The fourth proportional to 69,860.80, 96,404.96 and 38,029.04 is: 52,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.80 : 96,404.96 = 38,029.04 : x
  2. Step 2: Convert to fraction form
    69,860.80/96,404.96 = 38,029.04/x
  3. Step 3: Cross multiply
    69,860.80x = 96,404.96 × 38,029.04
  4. Step 4: Simplify right side
    69,860.80x = 3,666,188,080.04
  5. Step 5: Solve for x
    x = 3,666,188,080.04/69,860.80
  6. Step 6: Final answer
    x = 52,478.47

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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.