Home / 67,980.39-93,811.66-37,765.41

Finding the Fourth Proportional to 67,980.39, 93,811.66 and 37,765.41

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Solution

The fourth proportional to 67,980.39, 93,811.66 and 37,765.41 is: 52,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.39 : 93,811.66 = 37,765.41 : x
  2. Step 2: Convert to fraction form
    67,980.39/93,811.66 = 37,765.41/x
  3. Step 3: Cross multiply
    67,980.39x = 93,811.66 × 37,765.41
  4. Step 4: Simplify right side
    67,980.39x = 3,542,835,802.68
  5. Step 5: Solve for x
    x = 3,542,835,802.68/67,980.39
  6. Step 6: Final answer
    x = 52,115.56

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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.