Home / 75,320.49-103,937.79-43,058.59

Finding the Fourth Proportional to 75,320.49, 103,937.79 and 43,058.59

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Solution

The fourth proportional to 75,320.49, 103,937.79 and 43,058.59 is: 59,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.49 : 103,937.79 = 43,058.59 : x
  2. Step 2: Convert to fraction form
    75,320.49/103,937.79 = 43,058.59/x
  3. Step 3: Cross multiply
    75,320.49x = 103,937.79 × 43,058.59
  4. Step 4: Simplify right side
    75,320.49x = 4,475,414,685.12
  5. Step 5: Solve for x
    x = 4,475,414,685.12/75,320.49
  6. Step 6: Final answer
    x = 59,418.29

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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.