Home / 56,729.22-85,087.32-15,179.46

Finding the Fourth Proportional to 56,729.22, 85,087.32 and 15,179.46

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Solution

The fourth proportional to 56,729.22, 85,087.32 and 15,179.46 is: 22,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.22 : 85,087.32 = 15,179.46 : x
  2. Step 2: Convert to fraction form
    56,729.22/85,087.32 = 15,179.46/x
  3. Step 3: Cross multiply
    56,729.22x = 85,087.32 × 15,179.46
  4. Step 4: Simplify right side
    56,729.22x = 1,291,579,570.45
  5. Step 5: Solve for x
    x = 1,291,579,570.45/56,729.22
  6. Step 6: Final answer
    x = 22,767.45

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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.