Home / 50,803.97-76,129.35-45,267.21

Finding the Fourth Proportional to 50,803.97, 76,129.35 and 45,267.21

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Solution

The fourth proportional to 50,803.97, 76,129.35 and 45,267.21 is: 67,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.97 : 76,129.35 = 45,267.21 : x
  2. Step 2: Convert to fraction form
    50,803.97/76,129.35 = 45,267.21/x
  3. Step 3: Cross multiply
    50,803.97x = 76,129.35 × 45,267.21
  4. Step 4: Simplify right side
    50,803.97x = 3,446,163,273.61
  5. Step 5: Solve for x
    x = 3,446,163,273.61/50,803.97
  6. Step 6: Final answer
    x = 67,832.57

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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.