Home / 64,824.09-89,456.97-36,143.40

Finding the Fourth Proportional to 64,824.09, 89,456.97 and 36,143.40

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Solution

The fourth proportional to 64,824.09, 89,456.97 and 36,143.40 is: 49,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,824.09 : 89,456.97 = 36,143.40 : x
  2. Step 2: Convert to fraction form
    64,824.09/89,456.97 = 36,143.40/x
  3. Step 3: Cross multiply
    64,824.09x = 89,456.97 × 36,143.40
  4. Step 4: Simplify right side
    64,824.09x = 3,233,279,049.50
  5. Step 5: Solve for x
    x = 3,233,279,049.50/64,824.09
  6. Step 6: Final answer
    x = 49,877.74

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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.