Home / 49,710.72-74,540.40-14,645.92

Finding the Fourth Proportional to 49,710.72, 74,540.40 and 14,645.92

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Solution

The fourth proportional to 49,710.72, 74,540.40 and 14,645.92 is: 21,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.72 : 74,540.40 = 14,645.92 : x
  2. Step 2: Convert to fraction form
    49,710.72/74,540.40 = 14,645.92/x
  3. Step 3: Cross multiply
    49,710.72x = 74,540.40 × 14,645.92
  4. Step 4: Simplify right side
    49,710.72x = 1,091,712,735.17
  5. Step 5: Solve for x
    x = 1,091,712,735.17/49,710.72
  6. Step 6: Final answer
    x = 21,961.31

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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.