Home / 92,748.96-139,150.68-31,974.60

Finding the Fourth Proportional to 92,748.96, 139,150.68 and 31,974.60

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Solution

The fourth proportional to 92,748.96, 139,150.68 and 31,974.60 is: 47,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,748.96 : 139,150.68 = 31,974.60 : x
  2. Step 2: Convert to fraction form
    92,748.96/139,150.68 = 31,974.60/x
  3. Step 3: Cross multiply
    92,748.96x = 139,150.68 × 31,974.60
  4. Step 4: Simplify right side
    92,748.96x = 4,449,287,332.73
  5. Step 5: Solve for x
    x = 4,449,287,332.73/92,748.96
  6. Step 6: Final answer
    x = 47,971.29

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1.5x scale

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.