Home / 65,057.14-89,773.84-39,560.01

Finding the Fourth Proportional to 65,057.14, 89,773.84 and 39,560.01

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Solution

The fourth proportional to 65,057.14, 89,773.84 and 39,560.01 is: 54,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,057.14 : 89,773.84 = 39,560.01 : x
  2. Step 2: Convert to fraction form
    65,057.14/89,773.84 = 39,560.01/x
  3. Step 3: Cross multiply
    65,057.14x = 89,773.84 × 39,560.01
  4. Step 4: Simplify right side
    65,057.14x = 3,551,454,008.14
  5. Step 5: Solve for x
    x = 3,551,454,008.14/65,057.14
  6. Step 6: Final answer
    x = 54,589.77

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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.