Home / 68,403.42-94,390.11-38,186.37

Finding the Fourth Proportional to 68,403.42, 94,390.11 and 38,186.37

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Solution

The fourth proportional to 68,403.42, 94,390.11 and 38,186.37 is: 52,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403.42 : 94,390.11 = 38,186.37 : x
  2. Step 2: Convert to fraction form
    68,403.42/94,390.11 = 38,186.37/x
  3. Step 3: Cross multiply
    68,403.42x = 94,390.11 × 38,186.37
  4. Step 4: Simplify right side
    68,403.42x = 3,604,415,664.80
  5. Step 5: Solve for x
    x = 3,604,415,664.80/68,403.42
  6. Step 6: Final answer
    x = 52,693.50

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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.