Home / 50,861.91-70,186.63-28,199.58

Finding the Fourth Proportional to 50,861.91, 70,186.63 and 28,199.58

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Solution

The fourth proportional to 50,861.91, 70,186.63 and 28,199.58 is: 38,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.91 : 70,186.63 = 28,199.58 : x
  2. Step 2: Convert to fraction form
    50,861.91/70,186.63 = 28,199.58/x
  3. Step 3: Cross multiply
    50,861.91x = 70,186.63 × 28,199.58
  4. Step 4: Simplify right side
    50,861.91x = 1,979,233,487.62
  5. Step 5: Solve for x
    x = 1,979,233,487.62/50,861.91
  6. Step 6: Final answer
    x = 38,913.86

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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.