Home / 75,398.64-104,046.05-43,133.90

Finding the Fourth Proportional to 75,398.64, 104,046.05 and 43,133.90

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Solution

The fourth proportional to 75,398.64, 104,046.05 and 43,133.90 is: 59,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.64 : 104,046.05 = 43,133.90 : x
  2. Step 2: Convert to fraction form
    75,398.64/104,046.05 = 43,133.90/x
  3. Step 3: Cross multiply
    75,398.64x = 104,046.05 × 43,133.90
  4. Step 4: Simplify right side
    75,398.64x = 4,487,911,180.20
  5. Step 5: Solve for x
    x = 4,487,911,180.20/75,398.64
  6. Step 6: Final answer
    x = 59,522.44

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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.