Home / 49,850.64-74,600.30-31,139.49

Finding the Fourth Proportional to 49,850.64, 74,600.30 and 31,139.49

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Solution

The fourth proportional to 49,850.64, 74,600.30 and 31,139.49 is: 46,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,850.64 : 74,600.30 = 31,139.49 : x
  2. Step 2: Convert to fraction form
    49,850.64/74,600.30 = 31,139.49/x
  3. Step 3: Cross multiply
    49,850.64x = 74,600.30 × 31,139.49
  4. Step 4: Simplify right side
    49,850.64x = 2,323,015,373.70
  5. Step 5: Solve for x
    x = 2,323,015,373.70/49,850.64
  6. Step 6: Final answer
    x = 46,599.51

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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.