Home / 69,350.10-104,025.15-66,434.10

Finding the Fourth Proportional to 69,350.10, 104,025.15 and 66,434.10

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Solution

The fourth proportional to 69,350.10, 104,025.15 and 66,434.10 is: 99,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.10 : 104,025.15 = 66,434.10 : x
  2. Step 2: Convert to fraction form
    69,350.10/104,025.15 = 66,434.10/x
  3. Step 3: Cross multiply
    69,350.10x = 104,025.15 × 66,434.10
  4. Step 4: Simplify right side
    69,350.10x = 6,910,817,217.62
  5. Step 5: Solve for x
    x = 6,910,817,217.62/69,350.10
  6. Step 6: Final answer
    x = 99,651.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.