Home / 83,583.17-115,352.72-47,766.23

Finding the Fourth Proportional to 83,583.17, 115,352.72 and 47,766.23

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Solution

The fourth proportional to 83,583.17, 115,352.72 and 47,766.23 is: 65,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.17 : 115,352.72 = 47,766.23 : x
  2. Step 2: Convert to fraction form
    83,583.17/115,352.72 = 47,766.23/x
  3. Step 3: Cross multiply
    83,583.17x = 115,352.72 × 47,766.23
  4. Step 4: Simplify right side
    83,583.17x = 5,509,963,739.05
  5. Step 5: Solve for x
    x = 5,509,963,739.05/83,583.17
  6. Step 6: Final answer
    x = 65,921.93

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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.