Home / 83,807.23-115,653.57-49,371.95

Finding the Fourth Proportional to 83,807.23, 115,653.57 and 49,371.95

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Solution

The fourth proportional to 83,807.23, 115,653.57 and 49,371.95 is: 68,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,807.23 : 115,653.57 = 49,371.95 : x
  2. Step 2: Convert to fraction form
    83,807.23/115,653.57 = 49,371.95/x
  3. Step 3: Cross multiply
    83,807.23x = 115,653.57 × 49,371.95
  4. Step 4: Simplify right side
    83,807.23x = 5,710,042,275.36
  5. Step 5: Solve for x
    x = 5,710,042,275.36/83,807.23
  6. Step 6: Final answer
    x = 68,133.05

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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.