Home / 75,076.20-112,322.70-48,832.20

Finding the Fourth Proportional to 75,076.20, 112,322.70 and 48,832.20

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Solution

The fourth proportional to 75,076.20, 112,322.70 and 48,832.20 is: 73,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.20 : 112,322.70 = 48,832.20 : x
  2. Step 2: Convert to fraction form
    75,076.20/112,322.70 = 48,832.20/x
  3. Step 3: Cross multiply
    75,076.20x = 112,322.70 × 48,832.20
  4. Step 4: Simplify right side
    75,076.20x = 5,484,964,550.94
  5. Step 5: Solve for x
    x = 5,484,964,550.94/75,076.20
  6. Step 6: Final answer
    x = 73,058.63

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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.