Home / 56,013.26-77,297.39-30,519.96

Finding the Fourth Proportional to 56,013.26, 77,297.39 and 30,519.96

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Solution

The fourth proportional to 56,013.26, 77,297.39 and 30,519.96 is: 42,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.26 : 77,297.39 = 30,519.96 : x
  2. Step 2: Convert to fraction form
    56,013.26/77,297.39 = 30,519.96/x
  3. Step 3: Cross multiply
    56,013.26x = 77,297.39 × 30,519.96
  4. Step 4: Simplify right side
    56,013.26x = 2,359,113,098.30
  5. Step 5: Solve for x
    x = 2,359,113,098.30/56,013.26
  6. Step 6: Final answer
    x = 42,117.05

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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.