Home / 68,656.46-94,741.32-38,436.68

Finding the Fourth Proportional to 68,656.46, 94,741.32 and 38,436.68

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Solution

The fourth proportional to 68,656.46, 94,741.32 and 38,436.68 is: 53,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.46 : 94,741.32 = 38,436.68 : x
  2. Step 2: Convert to fraction form
    68,656.46/94,741.32 = 38,436.68/x
  3. Step 3: Cross multiply
    68,656.46x = 94,741.32 × 38,436.68
  4. Step 4: Simplify right side
    68,656.46x = 3,641,541,799.62
  5. Step 5: Solve for x
    x = 3,641,541,799.62/68,656.46
  6. Step 6: Final answer
    x = 53,040.05

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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.