Home / 125,164.44-187,766.10-42,039

Finding the Fourth Proportional to 125,164.44, 187,766.10 and 42,039

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Solution

The fourth proportional to 125,164.44, 187,766.10 and 42,039 is: 63,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.44 : 187,766.10 = 42,039 : x
  2. Step 2: Convert to fraction form
    125,164.44/187,766.10 = 42,039/x
  3. Step 3: Cross multiply
    125,164.44x = 187,766.10 × 42,039
  4. Step 4: Simplify right side
    125,164.44x = 7,893,499,077.90
  5. Step 5: Solve for x
    x = 7,893,499,077.90/125,164.44
  6. Step 6: Final answer
    x = 63,065.03

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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.