Home / 64,514.56-89,039.28-36,222.16

Finding the Fourth Proportional to 64,514.56, 89,039.28 and 36,222.16

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Solution

The fourth proportional to 64,514.56, 89,039.28 and 36,222.16 is: 49,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514.56 : 89,039.28 = 36,222.16 : x
  2. Step 2: Convert to fraction form
    64,514.56/89,039.28 = 36,222.16/x
  3. Step 3: Cross multiply
    64,514.56x = 89,039.28 × 36,222.16
  4. Step 4: Simplify right side
    64,514.56x = 3,225,195,046.44
  5. Step 5: Solve for x
    x = 3,225,195,046.44/64,514.56
  6. Step 6: Final answer
    x = 49,991.74

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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.