Home / 63,188.27-87,198.13-34,508.70

Finding the Fourth Proportional to 63,188.27, 87,198.13 and 34,508.70

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Solution

The fourth proportional to 63,188.27, 87,198.13 and 34,508.70 is: 47,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,188.27 : 87,198.13 = 34,508.70 : x
  2. Step 2: Convert to fraction form
    63,188.27/87,198.13 = 34,508.70/x
  3. Step 3: Cross multiply
    63,188.27x = 87,198.13 × 34,508.70
  4. Step 4: Simplify right side
    63,188.27x = 3,009,094,022.46
  5. Step 5: Solve for x
    x = 3,009,094,022.46/63,188.27
  6. Step 6: Final answer
    x = 47,621.09

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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.