Home / 63,888.64-95,814.50-21,767.79

Finding the Fourth Proportional to 63,888.64, 95,814.50 and 21,767.79

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Solution

The fourth proportional to 63,888.64, 95,814.50 and 21,767.79 is: 32,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.64 : 95,814.50 = 21,767.79 : x
  2. Step 2: Convert to fraction form
    63,888.64/95,814.50 = 21,767.79/x
  3. Step 3: Cross multiply
    63,888.64x = 95,814.50 × 21,767.79
  4. Step 4: Simplify right side
    63,888.64x = 2,085,669,810.13
  5. Step 5: Solve for x
    x = 2,085,669,810.13/63,888.64
  6. Step 6: Final answer
    x = 32,645.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.