Home / 69,948.12-104,953.14-36,660.21

Finding the Fourth Proportional to 69,948.12, 104,953.14 and 36,660.21

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Solution

The fourth proportional to 69,948.12, 104,953.14 and 36,660.21 is: 55,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,948.12 : 104,953.14 = 36,660.21 : x
  2. Step 2: Convert to fraction form
    69,948.12/104,953.14 = 36,660.21/x
  3. Step 3: Cross multiply
    69,948.12x = 104,953.14 × 36,660.21
  4. Step 4: Simplify right side
    69,948.12x = 3,847,604,152.56
  5. Step 5: Solve for x
    x = 3,847,604,152.56/69,948.12
  6. Step 6: Final answer
    x = 55,006.54

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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.