Home / 77,104.31-106,409.24-43,112.10

Finding the Fourth Proportional to 77,104.31, 106,409.24 and 43,112.10

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Solution

The fourth proportional to 77,104.31, 106,409.24 and 43,112.10 is: 59,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.31 : 106,409.24 = 43,112.10 : x
  2. Step 2: Convert to fraction form
    77,104.31/106,409.24 = 43,112.10/x
  3. Step 3: Cross multiply
    77,104.31x = 106,409.24 × 43,112.10
  4. Step 4: Simplify right side
    77,104.31x = 4,587,525,580.24
  5. Step 5: Solve for x
    x = 4,587,525,580.24/77,104.31
  6. Step 6: Final answer
    x = 59,497.66

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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.