Home / 83,979.92-125,969.10-34,048.15

Finding the Fourth Proportional to 83,979.92, 125,969.10 and 34,048.15

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Solution

The fourth proportional to 83,979.92, 125,969.10 and 34,048.15 is: 51,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.92 : 125,969.10 = 34,048.15 : x
  2. Step 2: Convert to fraction form
    83,979.92/125,969.10 = 34,048.15/x
  3. Step 3: Cross multiply
    83,979.92x = 125,969.10 × 34,048.15
  4. Step 4: Simplify right side
    83,979.92x = 4,289,014,969.63
  5. Step 5: Solve for x
    x = 4,289,014,969.63/83,979.92
  6. Step 6: Final answer
    x = 51,071.91

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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.