Home / 56,376.30-84,455.10-31,371.60

Finding the Fourth Proportional to 56,376.30, 84,455.10 and 31,371.60

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Solution

The fourth proportional to 56,376.30, 84,455.10 and 31,371.60 is: 46,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376.30 : 84,455.10 = 31,371.60 : x
  2. Step 2: Convert to fraction form
    56,376.30/84,455.10 = 31,371.60/x
  3. Step 3: Cross multiply
    56,376.30x = 84,455.10 × 31,371.60
  4. Step 4: Simplify right side
    56,376.30x = 2,649,491,615.16
  5. Step 5: Solve for x
    x = 2,649,491,615.16/56,376.30
  6. Step 6: Final answer
    x = 46,996.55

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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.