Home / 75,110.03-103,663.22-42,844.49

Finding the Fourth Proportional to 75,110.03, 103,663.22 and 42,844.49

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Solution

The fourth proportional to 75,110.03, 103,663.22 and 42,844.49 is: 59,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.03 : 103,663.22 = 42,844.49 : x
  2. Step 2: Convert to fraction form
    75,110.03/103,663.22 = 42,844.49/x
  3. Step 3: Cross multiply
    75,110.03x = 103,663.22 × 42,844.49
  4. Step 4: Simplify right side
    75,110.03x = 4,441,397,792.66
  5. Step 5: Solve for x
    x = 4,441,397,792.66/75,110.03
  6. Step 6: Final answer
    x = 59,131.89

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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.