Home / 63,544.32-87,693.49-38,388.96

Finding the Fourth Proportional to 63,544.32, 87,693.49 and 38,388.96

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Solution

The fourth proportional to 63,544.32, 87,693.49 and 38,388.96 is: 52,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,544.32 : 87,693.49 = 38,388.96 : x
  2. Step 2: Convert to fraction form
    63,544.32/87,693.49 = 38,388.96/x
  3. Step 3: Cross multiply
    63,544.32x = 87,693.49 × 38,388.96
  4. Step 4: Simplify right side
    63,544.32x = 3,366,461,879.87
  5. Step 5: Solve for x
    x = 3,366,461,879.87/63,544.32
  6. Step 6: Final answer
    x = 52,978.17

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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.