Home / 83,722.08-125,563.68-31,156.32

Finding the Fourth Proportional to 83,722.08, 125,563.68 and 31,156.32

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Solution

The fourth proportional to 83,722.08, 125,563.68 and 31,156.32 is: 46,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,722.08 : 125,563.68 = 31,156.32 : x
  2. Step 2: Convert to fraction form
    83,722.08/125,563.68 = 31,156.32/x
  3. Step 3: Cross multiply
    83,722.08x = 125,563.68 × 31,156.32
  4. Step 4: Simplify right side
    83,722.08x = 3,912,102,194.46
  5. Step 5: Solve for x
    x = 3,912,102,194.46/83,722.08
  6. Step 6: Final answer
    x = 46,727.25

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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.