Home / 75,126.62-103,679.70-43,297.55

Finding the Fourth Proportional to 75,126.62, 103,679.70 and 43,297.55

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Solution

The fourth proportional to 75,126.62, 103,679.70 and 43,297.55 is: 59,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.62 : 103,679.70 = 43,297.55 : x
  2. Step 2: Convert to fraction form
    75,126.62/103,679.70 = 43,297.55/x
  3. Step 3: Cross multiply
    75,126.62x = 103,679.70 × 43,297.55
  4. Step 4: Simplify right side
    75,126.62x = 4,489,076,994.74
  5. Step 5: Solve for x
    x = 4,489,076,994.74/75,126.62
  6. Step 6: Final answer
    x = 59,753.48

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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.