Home / 56,414.24-77,855.28-31,265.36

Finding the Fourth Proportional to 56,414.24, 77,855.28 and 31,265.36

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Solution

The fourth proportional to 56,414.24, 77,855.28 and 31,265.36 is: 43,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414.24 : 77,855.28 = 31,265.36 : x
  2. Step 2: Convert to fraction form
    56,414.24/77,855.28 = 31,265.36/x
  3. Step 3: Cross multiply
    56,414.24x = 77,855.28 × 31,265.36
  4. Step 4: Simplify right side
    56,414.24x = 2,434,173,357.10
  5. Step 5: Solve for x
    x = 2,434,173,357.10/56,414.24
  6. Step 6: Final answer
    x = 43,148.21

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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.