Home / 60,906.83-91,370.07-18,777.05

Finding the Fourth Proportional to 60,906.83, 91,370.07 and 18,777.05

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Solution

The fourth proportional to 60,906.83, 91,370.07 and 18,777.05 is: 28,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.83 : 91,370.07 = 18,777.05 : x
  2. Step 2: Convert to fraction form
    60,906.83/91,370.07 = 18,777.05/x
  3. Step 3: Cross multiply
    60,906.83x = 91,370.07 × 18,777.05
  4. Step 4: Simplify right side
    60,906.83x = 1,715,659,916.04
  5. Step 5: Solve for x
    x = 1,715,659,916.04/60,906.83
  6. Step 6: Final answer
    x = 28,168.60

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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.