Home / 77,283.43-106,657.89-43,291.37

Finding the Fourth Proportional to 77,283.43, 106,657.89 and 43,291.37

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Solution

The fourth proportional to 77,283.43, 106,657.89 and 43,291.37 is: 59,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283.43 : 106,657.89 = 43,291.37 : x
  2. Step 2: Convert to fraction form
    77,283.43/106,657.89 = 43,291.37/x
  3. Step 3: Cross multiply
    77,283.43x = 106,657.89 × 43,291.37
  4. Step 4: Simplify right side
    77,283.43x = 4,617,366,179.41
  5. Step 5: Solve for x
    x = 4,617,366,179.41/77,283.43
  6. Step 6: Final answer
    x = 59,745.88

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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.