Home / 119,829.10-165,378.80-68,841.73

Finding the Fourth Proportional to 119,829.10, 165,378.80 and 68,841.73

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Solution

The fourth proportional to 119,829.10, 165,378.80 and 68,841.73 is: 95,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,829.10 : 165,378.80 = 68,841.73 : x
  2. Step 2: Convert to fraction form
    119,829.10/165,378.80 = 68,841.73/x
  3. Step 3: Cross multiply
    119,829.10x = 165,378.80 × 68,841.73
  4. Step 4: Simplify right side
    119,829.10x = 11,384,963,541.28
  5. Step 5: Solve for x
    x = 11,384,963,541.28/119,829.10
  6. Step 6: Final answer
    x = 95,010.01

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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.