Home / 67,780.80-93,544.07-37,575.90

Finding the Fourth Proportional to 67,780.80, 93,544.07 and 37,575.90

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Solution

The fourth proportional to 67,780.80, 93,544.07 and 37,575.90 is: 51,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,780.80 : 93,544.07 = 37,575.90 : x
  2. Step 2: Convert to fraction form
    67,780.80/93,544.07 = 37,575.90/x
  3. Step 3: Cross multiply
    67,780.80x = 93,544.07 × 37,575.90
  4. Step 4: Simplify right side
    67,780.80x = 3,515,002,432.03
  5. Step 5: Solve for x
    x = 3,515,002,432.03/67,780.80
  6. Step 6: Final answer
    x = 51,858.38

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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.