Home / 56,163.29-77,504.87-31,012.25

Finding the Fourth Proportional to 56,163.29, 77,504.87 and 31,012.25

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Solution

The fourth proportional to 56,163.29, 77,504.87 and 31,012.25 is: 42,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.29 : 77,504.87 = 31,012.25 : x
  2. Step 2: Convert to fraction form
    56,163.29/77,504.87 = 31,012.25/x
  3. Step 3: Cross multiply
    56,163.29x = 77,504.87 × 31,012.25
  4. Step 4: Simplify right side
    56,163.29x = 2,403,600,249.60
  5. Step 5: Solve for x
    x = 2,403,600,249.60/56,163.29
  6. Step 6: Final answer
    x = 42,796.64

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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.