Home / 63,712.32-87,902.42-35,412.54

Finding the Fourth Proportional to 63,712.32, 87,902.42 and 35,412.54

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Solution

The fourth proportional to 63,712.32, 87,902.42 and 35,412.54 is: 48,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.32 : 87,902.42 = 35,412.54 : x
  2. Step 2: Convert to fraction form
    63,712.32/87,902.42 = 35,412.54/x
  3. Step 3: Cross multiply
    63,712.32x = 87,902.42 × 35,412.54
  4. Step 4: Simplify right side
    63,712.32x = 3,112,847,964.35
  5. Step 5: Solve for x
    x = 3,112,847,964.35/63,712.32
  6. Step 6: Final answer
    x = 48,857.87

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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.