Home / 75,808.85-104,649.83-48,964.45

Finding the Fourth Proportional to 75,808.85, 104,649.83 and 48,964.45

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Solution

The fourth proportional to 75,808.85, 104,649.83 and 48,964.45 is: 67,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,808.85 : 104,649.83 = 48,964.45 : x
  2. Step 2: Convert to fraction form
    75,808.85/104,649.83 = 48,964.45/x
  3. Step 3: Cross multiply
    75,808.85x = 104,649.83 × 48,964.45
  4. Step 4: Simplify right side
    75,808.85x = 5,124,120,845.29
  5. Step 5: Solve for x
    x = 5,124,120,845.29/75,808.85
  6. Step 6: Final answer
    x = 67,592.65

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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.