Home / 48,740.25-67,223.32-31,749.85

Finding the Fourth Proportional to 48,740.25, 67,223.32 and 31,749.85

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Solution

The fourth proportional to 48,740.25, 67,223.32 and 31,749.85 is: 43,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.25 : 67,223.32 = 31,749.85 : x
  2. Step 2: Convert to fraction form
    48,740.25/67,223.32 = 31,749.85/x
  3. Step 3: Cross multiply
    48,740.25x = 67,223.32 × 31,749.85
  4. Step 4: Simplify right side
    48,740.25x = 2,134,330,326.50
  5. Step 5: Solve for x
    x = 2,134,330,326.50/48,740.25
  6. Step 6: Final answer
    x = 43,789.89

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1.5x scale

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.