Home / 75,621.55-104,346.17-43,784.30

Finding the Fourth Proportional to 75,621.55, 104,346.17 and 43,784.30

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Solution

The fourth proportional to 75,621.55, 104,346.17 and 43,784.30 is: 60,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.55 : 104,346.17 = 43,784.30 : x
  2. Step 2: Convert to fraction form
    75,621.55/104,346.17 = 43,784.30/x
  3. Step 3: Cross multiply
    75,621.55x = 104,346.17 × 43,784.30
  4. Step 4: Simplify right side
    75,621.55x = 4,568,723,876.61
  5. Step 5: Solve for x
    x = 4,568,723,876.61/75,621.55
  6. Step 6: Final answer
    x = 60,415.63

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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.