Home / 64,867.51-89,517.28-36,189.05

Finding the Fourth Proportional to 64,867.51, 89,517.28 and 36,189.05

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Solution

The fourth proportional to 64,867.51, 89,517.28 and 36,189.05 is: 49,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,867.51 : 89,517.28 = 36,189.05 : x
  2. Step 2: Convert to fraction form
    64,867.51/89,517.28 = 36,189.05/x
  3. Step 3: Cross multiply
    64,867.51x = 89,517.28 × 36,189.05
  4. Step 4: Simplify right side
    64,867.51x = 3,239,545,321.78
  5. Step 5: Solve for x
    x = 3,239,545,321.78/64,867.51
  6. Step 6: Final answer
    x = 49,940.95

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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.