Home / 75,123.14-103,670.03-43,291.22

Finding the Fourth Proportional to 75,123.14, 103,670.03 and 43,291.22

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Solution

The fourth proportional to 75,123.14, 103,670.03 and 43,291.22 is: 59,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.14 : 103,670.03 = 43,291.22 : x
  2. Step 2: Convert to fraction form
    75,123.14/103,670.03 = 43,291.22/x
  3. Step 3: Cross multiply
    75,123.14x = 103,670.03 × 43,291.22
  4. Step 4: Simplify right side
    75,123.14x = 4,488,002,076.14
  5. Step 5: Solve for x
    x = 4,488,002,076.14/75,123.14
  6. Step 6: Final answer
    x = 59,741.94

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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.