Home / 56,903.26-78,517.10-31,752.70

Finding the Fourth Proportional to 56,903.26, 78,517.10 and 31,752.70

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Solution

The fourth proportional to 56,903.26, 78,517.10 and 31,752.70 is: 43,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,903.26 : 78,517.10 = 31,752.70 : x
  2. Step 2: Convert to fraction form
    56,903.26/78,517.10 = 31,752.70/x
  3. Step 3: Cross multiply
    56,903.26x = 78,517.10 × 31,752.70
  4. Step 4: Simplify right side
    56,903.26x = 2,493,129,921.17
  5. Step 5: Solve for x
    x = 2,493,129,921.17/56,903.26
  6. Step 6: Final answer
    x = 43,813.48

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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.