Home / 75,616.92-113,495.40-38,203.34

Finding the Fourth Proportional to 75,616.92, 113,495.40 and 38,203.34

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Solution

The fourth proportional to 75,616.92, 113,495.40 and 38,203.34 is: 57,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,616.92 : 113,495.40 = 38,203.34 : x
  2. Step 2: Convert to fraction form
    75,616.92/113,495.40 = 38,203.34/x
  3. Step 3: Cross multiply
    75,616.92x = 113,495.40 × 38,203.34
  4. Step 4: Simplify right side
    75,616.92x = 4,335,902,787.16
  5. Step 5: Solve for x
    x = 4,335,902,787.16/75,616.92
  6. Step 6: Final answer
    x = 57,340.38

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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.