Home / 75,768.22-104,534.74-48,928.87

Finding the Fourth Proportional to 75,768.22, 104,534.74 and 48,928.87

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Solution

The fourth proportional to 75,768.22, 104,534.74 and 48,928.87 is: 67,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.22 : 104,534.74 = 48,928.87 : x
  2. Step 2: Convert to fraction form
    75,768.22/104,534.74 = 48,928.87/x
  3. Step 3: Cross multiply
    75,768.22x = 104,534.74 × 48,928.87
  4. Step 4: Simplify right side
    75,768.22x = 5,114,766,703.94
  5. Step 5: Solve for x
    x = 5,114,766,703.94/75,768.22
  6. Step 6: Final answer
    x = 67,505.44

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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.