Home / 79,583.07-109,787.70-47,696.61

Finding the Fourth Proportional to 79,583.07, 109,787.70 and 47,696.61

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Solution

The fourth proportional to 79,583.07, 109,787.70 and 47,696.61 is: 65,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.07 : 109,787.70 = 47,696.61 : x
  2. Step 2: Convert to fraction form
    79,583.07/109,787.70 = 47,696.61/x
  3. Step 3: Cross multiply
    79,583.07x = 109,787.70 × 47,696.61
  4. Step 4: Simplify right side
    79,583.07x = 5,236,501,109.70
  5. Step 5: Solve for x
    x = 5,236,501,109.70/79,583.07
  6. Step 6: Final answer
    x = 65,799.18

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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.