Home / 101,965.05-152,943.53-35,420.31

Finding the Fourth Proportional to 101,965.05, 152,943.53 and 35,420.31

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Solution

The fourth proportional to 101,965.05, 152,943.53 and 35,420.31 is: 53,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,965.05 : 152,943.53 = 35,420.31 : x
  2. Step 2: Convert to fraction form
    101,965.05/152,943.53 = 35,420.31/x
  3. Step 3: Cross multiply
    101,965.05x = 152,943.53 × 35,420.31
  4. Step 4: Simplify right side
    101,965.05x = 5,417,307,067.99
  5. Step 5: Solve for x
    x = 5,417,307,067.99/101,965.05
  6. Step 6: Final answer
    x = 53,129.06

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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.