Home / 67,070.52-100,512.21-50,411.04

Finding the Fourth Proportional to 67,070.52, 100,512.21 and 50,411.04

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Solution

The fourth proportional to 67,070.52, 100,512.21 and 50,411.04 is: 75,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070.52 : 100,512.21 = 50,411.04 : x
  2. Step 2: Convert to fraction form
    67,070.52/100,512.21 = 50,411.04/x
  3. Step 3: Cross multiply
    67,070.52x = 100,512.21 × 50,411.04
  4. Step 4: Simplify right side
    67,070.52x = 5,066,925,038.80
  5. Step 5: Solve for x
    x = 5,066,925,038.80/67,070.52
  6. Step 6: Final answer
    x = 75,546.23

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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.