Home / 51,691.68-77,570.28-22,134.36

Finding the Fourth Proportional to 51,691.68, 77,570.28 and 22,134.36

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Solution

The fourth proportional to 51,691.68, 77,570.28 and 22,134.36 is: 33,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.68 : 77,570.28 = 22,134.36 : x
  2. Step 2: Convert to fraction form
    51,691.68/77,570.28 = 22,134.36/x
  3. Step 3: Cross multiply
    51,691.68x = 77,570.28 × 22,134.36
  4. Step 4: Simplify right side
    51,691.68x = 1,716,968,502.82
  5. Step 5: Solve for x
    x = 1,716,968,502.82/51,691.68
  6. Step 6: Final answer
    x = 33,215.57

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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.