Home / 56,163.64-77,504.34-31,012.60

Finding the Fourth Proportional to 56,163.64, 77,504.34 and 31,012.60

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Solution

The fourth proportional to 56,163.64, 77,504.34 and 31,012.60 is: 42,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.64 : 77,504.34 = 31,012.60 : x
  2. Step 2: Convert to fraction form
    56,163.64/77,504.34 = 31,012.60/x
  3. Step 3: Cross multiply
    56,163.64x = 77,504.34 × 31,012.60
  4. Step 4: Simplify right side
    56,163.64x = 2,403,611,094.68
  5. Step 5: Solve for x
    x = 2,403,611,094.68/56,163.64
  6. Step 6: Final answer
    x = 42,796.57

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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.