Home / 124,049.21-186,104.99-39,816.90

Finding the Fourth Proportional to 124,049.21, 186,104.99 and 39,816.90

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Solution

The fourth proportional to 124,049.21, 186,104.99 and 39,816.90 is: 59,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,049.21 : 186,104.99 = 39,816.90 : x
  2. Step 2: Convert to fraction form
    124,049.21/186,104.99 = 39,816.90/x
  3. Step 3: Cross multiply
    124,049.21x = 186,104.99 × 39,816.90
  4. Step 4: Simplify right side
    124,049.21x = 7,410,123,875.87
  5. Step 5: Solve for x
    x = 7,410,123,875.87/124,049.21
  6. Step 6: Final answer
    x = 59,735.36

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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.