Home / 64,942.92-89,621.16-35,134.92

Finding the Fourth Proportional to 64,942.92, 89,621.16 and 35,134.92

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Solution

The fourth proportional to 64,942.92, 89,621.16 and 35,134.92 is: 48,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942.92 : 89,621.16 = 35,134.92 : x
  2. Step 2: Convert to fraction form
    64,942.92/89,621.16 = 35,134.92/x
  3. Step 3: Cross multiply
    64,942.92x = 89,621.16 × 35,134.92
  4. Step 4: Simplify right side
    64,942.92x = 3,148,832,286.91
  5. Step 5: Solve for x
    x = 3,148,832,286.91/64,942.92
  6. Step 6: Final answer
    x = 48,486.15

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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.