Home / 69,561.40-104,340.36-38,002.12

Finding the Fourth Proportional to 69,561.40, 104,340.36 and 38,002.12

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Solution

The fourth proportional to 69,561.40, 104,340.36 and 38,002.12 is: 57,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561.40 : 104,340.36 = 38,002.12 : x
  2. Step 2: Convert to fraction form
    69,561.40/104,340.36 = 38,002.12/x
  3. Step 3: Cross multiply
    69,561.40x = 104,340.36 × 38,002.12
  4. Step 4: Simplify right side
    69,561.40x = 3,965,154,881.56
  5. Step 5: Solve for x
    x = 3,965,154,881.56/69,561.40
  6. Step 6: Final answer
    x = 57,002.23

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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.