Home / 63,724.32-87,934.41-35,429.40

Finding the Fourth Proportional to 63,724.32, 87,934.41 and 35,429.40

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Solution

The fourth proportional to 63,724.32, 87,934.41 and 35,429.40 is: 48,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,724.32 : 87,934.41 = 35,429.40 : x
  2. Step 2: Convert to fraction form
    63,724.32/87,934.41 = 35,429.40/x
  3. Step 3: Cross multiply
    63,724.32x = 87,934.41 × 35,429.40
  4. Step 4: Simplify right side
    63,724.32x = 3,115,463,385.65
  5. Step 5: Solve for x
    x = 3,115,463,385.65/63,724.32
  6. Step 6: Final answer
    x = 48,889.71

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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.