Home / 56,344.12-77,752.48-30,850.02

Finding the Fourth Proportional to 56,344.12, 77,752.48 and 30,850.02

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Solution

The fourth proportional to 56,344.12, 77,752.48 and 30,850.02 is: 42,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.12 : 77,752.48 = 30,850.02 : x
  2. Step 2: Convert to fraction form
    56,344.12/77,752.48 = 30,850.02/x
  3. Step 3: Cross multiply
    56,344.12x = 77,752.48 × 30,850.02
  4. Step 4: Simplify right side
    56,344.12x = 2,398,665,563.05
  5. Step 5: Solve for x
    x = 2,398,665,563.05/56,344.12
  6. Step 6: Final answer
    x = 42,571.71

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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.