Home / 62,131.20-93,196.80-31,027.20

Finding the Fourth Proportional to 62,131.20, 93,196.80 and 31,027.20

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Solution

The fourth proportional to 62,131.20, 93,196.80 and 31,027.20 is: 46,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,131.20 : 93,196.80 = 31,027.20 : x
  2. Step 2: Convert to fraction form
    62,131.20/93,196.80 = 31,027.20/x
  3. Step 3: Cross multiply
    62,131.20x = 93,196.80 × 31,027.20
  4. Step 4: Simplify right side
    62,131.20x = 2,891,635,752.96
  5. Step 5: Solve for x
    x = 2,891,635,752.96/62,131.20
  6. Step 6: Final answer
    x = 46,540.80

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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.