Home / 75,766.32-104,553.72-42,225.84

Finding the Fourth Proportional to 75,766.32, 104,553.72 and 42,225.84

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Solution

The fourth proportional to 75,766.32, 104,553.72 and 42,225.84 is: 58,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,766.32 : 104,553.72 = 42,225.84 : x
  2. Step 2: Convert to fraction form
    75,766.32/104,553.72 = 42,225.84/x
  3. Step 3: Cross multiply
    75,766.32x = 104,553.72 × 42,225.84
  4. Step 4: Simplify right side
    75,766.32x = 4,414,868,652.12
  5. Step 5: Solve for x
    x = 4,414,868,652.12/75,766.32
  6. Step 6: Final answer
    x = 58,269.54

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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.