Home / 77,286.96-106,660-43,293.46

Finding the Fourth Proportional to 77,286.96, 106,660 and 43,293.46

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Solution

The fourth proportional to 77,286.96, 106,660 and 43,293.46 is: 59,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,286.96 : 106,660 = 43,293.46 : x
  2. Step 2: Convert to fraction form
    77,286.96/106,660 = 43,293.46/x
  3. Step 3: Cross multiply
    77,286.96x = 106,660 × 43,293.46
  4. Step 4: Simplify right side
    77,286.96x = 4,617,680,443.60
  5. Step 5: Solve for x
    x = 4,617,680,443.60/77,286.96
  6. Step 6: Final answer
    x = 59,747.21

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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.