Home / 101,175.45-151,781.40-42,017.10

Finding the Fourth Proportional to 101,175.45, 151,781.40 and 42,017.10

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Solution

The fourth proportional to 101,175.45, 151,781.40 and 42,017.10 is: 63,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,175.45 : 151,781.40 = 42,017.10 : x
  2. Step 2: Convert to fraction form
    101,175.45/151,781.40 = 42,017.10/x
  3. Step 3: Cross multiply
    101,175.45x = 151,781.40 × 42,017.10
  4. Step 4: Simplify right side
    101,175.45x = 6,377,414,261.94
  5. Step 5: Solve for x
    x = 6,377,414,261.94/101,175.45
  6. Step 6: Final answer
    x = 63,033.22

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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.