Home / 50,776.20-70,070.58-28,115.64

Finding the Fourth Proportional to 50,776.20, 70,070.58 and 28,115.64

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Solution

The fourth proportional to 50,776.20, 70,070.58 and 28,115.64 is: 38,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.20 : 70,070.58 = 28,115.64 : x
  2. Step 2: Convert to fraction form
    50,776.20/70,070.58 = 28,115.64/x
  3. Step 3: Cross multiply
    50,776.20x = 70,070.58 × 28,115.64
  4. Step 4: Simplify right side
    50,776.20x = 1,970,079,201.87
  5. Step 5: Solve for x
    x = 1,970,079,201.87/50,776.20
  6. Step 6: Final answer
    x = 38,799.26

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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.