Home / 50,078.01-75,120.66-15,020.40

Finding the Fourth Proportional to 50,078.01, 75,120.66 and 15,020.40

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Solution

The fourth proportional to 50,078.01, 75,120.66 and 15,020.40 is: 22,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.01 : 75,120.66 = 15,020.40 : x
  2. Step 2: Convert to fraction form
    50,078.01/75,120.66 = 15,020.40/x
  3. Step 3: Cross multiply
    50,078.01x = 75,120.66 × 15,020.40
  4. Step 4: Simplify right side
    50,078.01x = 1,128,342,361.46
  5. Step 5: Solve for x
    x = 1,128,342,361.46/50,078.01
  6. Step 6: Final answer
    x = 22,531.69

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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.