Home / 105,966.85-158,918.56-34,876.36

Finding the Fourth Proportional to 105,966.85, 158,918.56 and 34,876.36

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Solution

The fourth proportional to 105,966.85, 158,918.56 and 34,876.36 is: 52,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,966.85 : 158,918.56 = 34,876.36 : x
  2. Step 2: Convert to fraction form
    105,966.85/158,918.56 = 34,876.36/x
  3. Step 3: Cross multiply
    105,966.85x = 158,918.56 × 34,876.36
  4. Step 4: Simplify right side
    105,966.85x = 5,542,500,909.24
  5. Step 5: Solve for x
    x = 5,542,500,909.24/105,966.85
  6. Step 6: Final answer
    x = 52,304.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.