Home / 50,725.56-70,001.22-28,369.56

Finding the Fourth Proportional to 50,725.56, 70,001.22 and 28,369.56

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Solution

The fourth proportional to 50,725.56, 70,001.22 and 28,369.56 is: 39,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.56 : 70,001.22 = 28,369.56 : x
  2. Step 2: Convert to fraction form
    50,725.56/70,001.22 = 28,369.56/x
  3. Step 3: Cross multiply
    50,725.56x = 70,001.22 × 28,369.56
  4. Step 4: Simplify right side
    50,725.56x = 1,985,903,810.86
  5. Step 5: Solve for x
    x = 1,985,903,810.86/50,725.56
  6. Step 6: Final answer
    x = 39,149.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.