Home / 50,126.48-75,191.76-28,080.32

Finding the Fourth Proportional to 50,126.48, 75,191.76 and 28,080.32

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Solution

The fourth proportional to 50,126.48, 75,191.76 and 28,080.32 is: 42,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,126.48 : 75,191.76 = 28,080.32 : x
  2. Step 2: Convert to fraction form
    50,126.48/75,191.76 = 28,080.32/x
  3. Step 3: Cross multiply
    50,126.48x = 75,191.76 × 28,080.32
  4. Step 4: Simplify right side
    50,126.48x = 2,111,408,682.16
  5. Step 5: Solve for x
    x = 2,111,408,682.16/50,126.48
  6. Step 6: Final answer
    x = 42,121.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.