Home / 51,275.07-76,902.86-21,713.66

Finding the Fourth Proportional to 51,275.07, 76,902.86 and 21,713.66

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Solution

The fourth proportional to 51,275.07, 76,902.86 and 21,713.66 is: 32,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.07 : 76,902.86 = 21,713.66 : x
  2. Step 2: Convert to fraction form
    51,275.07/76,902.86 = 21,713.66/x
  3. Step 3: Cross multiply
    51,275.07x = 76,902.86 × 21,713.66
  4. Step 4: Simplify right side
    51,275.07x = 1,669,842,224.84
  5. Step 5: Solve for x
    x = 1,669,842,224.84/51,275.07
  6. Step 6: Final answer
    x = 32,566.36

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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.