Home / 56,906.10-85,359.15-30,662.10

Finding the Fourth Proportional to 56,906.10, 85,359.15 and 30,662.10

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Solution

The fourth proportional to 56,906.10, 85,359.15 and 30,662.10 is: 45,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.10 : 85,359.15 = 30,662.10 : x
  2. Step 2: Convert to fraction form
    56,906.10/85,359.15 = 30,662.10/x
  3. Step 3: Cross multiply
    56,906.10x = 85,359.15 × 30,662.10
  4. Step 4: Simplify right side
    56,906.10x = 2,617,290,793.22
  5. Step 5: Solve for x
    x = 2,617,290,793.22/56,906.10
  6. Step 6: Final answer
    x = 45,993.15

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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.