Home / 50,777.81-70,072.52-28,116.31

Finding the Fourth Proportional to 50,777.81, 70,072.52 and 28,116.31

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Solution

The fourth proportional to 50,777.81, 70,072.52 and 28,116.31 is: 38,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,777.81 : 70,072.52 = 28,116.31 : x
  2. Step 2: Convert to fraction form
    50,777.81/70,072.52 = 28,116.31/x
  3. Step 3: Cross multiply
    50,777.81x = 70,072.52 × 28,116.31
  4. Step 4: Simplify right side
    50,777.81x = 1,970,180,850.91
  5. Step 5: Solve for x
    x = 1,970,180,850.91/50,777.81
  6. Step 6: Final answer
    x = 38,800.04

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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.