Home / 50,074.68-75,107.14-13,138.68

Finding the Fourth Proportional to 50,074.68, 75,107.14 and 13,138.68

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Solution

The fourth proportional to 50,074.68, 75,107.14 and 13,138.68 is: 19,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,074.68 : 75,107.14 = 13,138.68 : x
  2. Step 2: Convert to fraction form
    50,074.68/75,107.14 = 13,138.68/x
  3. Step 3: Cross multiply
    50,074.68x = 75,107.14 × 13,138.68
  4. Step 4: Simplify right side
    50,074.68x = 986,808,678.18
  5. Step 5: Solve for x
    x = 986,808,678.18/50,074.68
  6. Step 6: Final answer
    x = 19,706.74

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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.