Home / 74,905.38-103,410.95-51,067.08

Finding the Fourth Proportional to 74,905.38, 103,410.95 and 51,067.08

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Solution

The fourth proportional to 74,905.38, 103,410.95 and 51,067.08 is: 70,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.38 : 103,410.95 = 51,067.08 : x
  2. Step 2: Convert to fraction form
    74,905.38/103,410.95 = 51,067.08/x
  3. Step 3: Cross multiply
    74,905.38x = 103,410.95 × 51,067.08
  4. Step 4: Simplify right side
    74,905.38x = 5,280,895,001.19
  5. Step 5: Solve for x
    x = 5,280,895,001.19/74,905.38
  6. Step 6: Final answer
    x = 70,500.88

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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.