Home / 69,380.24-103,568.34-60,972.90

Finding the Fourth Proportional to 69,380.24, 103,568.34 and 60,972.90

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Solution

The fourth proportional to 69,380.24, 103,568.34 and 60,972.90 is: 91,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.24 : 103,568.34 = 60,972.90 : x
  2. Step 2: Convert to fraction form
    69,380.24/103,568.34 = 60,972.90/x
  3. Step 3: Cross multiply
    69,380.24x = 103,568.34 × 60,972.90
  4. Step 4: Simplify right side
    69,380.24x = 6,314,862,037.99
  5. Step 5: Solve for x
    x = 6,314,862,037.99/69,380.24
  6. Step 6: Final answer
    x = 91,018.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.