Home / 57,670.20-86,532.94-31,374.90

Finding the Fourth Proportional to 57,670.20, 86,532.94 and 31,374.90

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Solution

The fourth proportional to 57,670.20, 86,532.94 and 31,374.90 is: 47,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.20 : 86,532.94 = 31,374.90 : x
  2. Step 2: Convert to fraction form
    57,670.20/86,532.94 = 31,374.90/x
  3. Step 3: Cross multiply
    57,670.20x = 86,532.94 × 31,374.90
  4. Step 4: Simplify right side
    57,670.20x = 2,714,962,339.21
  5. Step 5: Solve for x
    x = 2,714,962,339.21/57,670.20
  6. Step 6: Final answer
    x = 47,077.39

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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.