Home / 75,812.28-104,588.46-45,589.56

Finding the Fourth Proportional to 75,812.28, 104,588.46 and 45,589.56

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Solution

The fourth proportional to 75,812.28, 104,588.46 and 45,589.56 is: 62,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.28 : 104,588.46 = 45,589.56 : x
  2. Step 2: Convert to fraction form
    75,812.28/104,588.46 = 45,589.56/x
  3. Step 3: Cross multiply
    75,812.28x = 104,588.46 × 45,589.56
  4. Step 4: Simplify right side
    75,812.28x = 4,768,141,872.48
  5. Step 5: Solve for x
    x = 4,768,141,872.48/75,812.28
  6. Step 6: Final answer
    x = 62,894.06

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1.5x scale

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.