Home / 50,857.96-70,185.65-28,199.06

Finding the Fourth Proportional to 50,857.96, 70,185.65 and 28,199.06

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Solution

The fourth proportional to 50,857.96, 70,185.65 and 28,199.06 is: 38,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,857.96 : 70,185.65 = 28,199.06 : x
  2. Step 2: Convert to fraction form
    50,857.96/70,185.65 = 28,199.06/x
  3. Step 3: Cross multiply
    50,857.96x = 70,185.65 × 28,199.06
  4. Step 4: Simplify right side
    50,857.96x = 1,979,169,355.49
  5. Step 5: Solve for x
    x = 1,979,169,355.49/50,857.96
  6. Step 6: Final answer
    x = 38,915.63

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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.