Home / 75,862.42-104,682.20-41,870.28

Finding the Fourth Proportional to 75,862.42, 104,682.20 and 41,870.28

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Solution

The fourth proportional to 75,862.42, 104,682.20 and 41,870.28 is: 57,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.42 : 104,682.20 = 41,870.28 : x
  2. Step 2: Convert to fraction form
    75,862.42/104,682.20 = 41,870.28/x
  3. Step 3: Cross multiply
    75,862.42x = 104,682.20 × 41,870.28
  4. Step 4: Simplify right side
    75,862.42x = 4,383,073,025.02
  5. Step 5: Solve for x
    x = 4,383,073,025.02/75,862.42
  6. Step 6: Final answer
    x = 57,776.60

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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.