Home / 119,542.15-164,969.31-65,829.07

Finding the Fourth Proportional to 119,542.15, 164,969.31 and 65,829.07

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Solution

The fourth proportional to 119,542.15, 164,969.31 and 65,829.07 is: 90,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,542.15 : 164,969.31 = 65,829.07 : x
  2. Step 2: Convert to fraction form
    119,542.15/164,969.31 = 65,829.07/x
  3. Step 3: Cross multiply
    119,542.15x = 164,969.31 × 65,829.07
  4. Step 4: Simplify right side
    119,542.15x = 10,859,776,255.84
  5. Step 5: Solve for x
    x = 10,859,776,255.84/119,542.15
  6. Step 6: Final answer
    x = 90,844.75

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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.