Home / 56,643.88-78,174.66-32,770.12

Finding the Fourth Proportional to 56,643.88, 78,174.66 and 32,770.12

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Solution

The fourth proportional to 56,643.88, 78,174.66 and 32,770.12 is: 45,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.88 : 78,174.66 = 32,770.12 : x
  2. Step 2: Convert to fraction form
    56,643.88/78,174.66 = 32,770.12/x
  3. Step 3: Cross multiply
    56,643.88x = 78,174.66 × 32,770.12
  4. Step 4: Simplify right side
    56,643.88x = 2,561,792,989.16
  5. Step 5: Solve for x
    x = 2,561,792,989.16/56,643.88
  6. Step 6: Final answer
    x = 45,226.30

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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.