Home / 49,910.16-74,964.60-31,223.28

Finding the Fourth Proportional to 49,910.16, 74,964.60 and 31,223.28

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Solution

The fourth proportional to 49,910.16, 74,964.60 and 31,223.28 is: 46,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910.16 : 74,964.60 = 31,223.28 : x
  2. Step 2: Convert to fraction form
    49,910.16/74,964.60 = 31,223.28/x
  3. Step 3: Cross multiply
    49,910.16x = 74,964.60 × 31,223.28
  4. Step 4: Simplify right side
    49,910.16x = 2,340,640,695.89
  5. Step 5: Solve for x
    x = 2,340,640,695.89/49,910.16
  6. Step 6: Final answer
    x = 46,897.08

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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.