Home / 83,743.04-115,571.84-47,944.32

Finding the Fourth Proportional to 83,743.04, 115,571.84 and 47,944.32

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Solution

The fourth proportional to 83,743.04, 115,571.84 and 47,944.32 is: 66,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,743.04 : 115,571.84 = 47,944.32 : x
  2. Step 2: Convert to fraction form
    83,743.04/115,571.84 = 47,944.32/x
  3. Step 3: Cross multiply
    83,743.04x = 115,571.84 × 47,944.32
  4. Step 4: Simplify right side
    83,743.04x = 5,541,013,279.95
  5. Step 5: Solve for x
    x = 5,541,013,279.95/83,743.04
  6. Step 6: Final answer
    x = 66,166.85

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1.5x scale

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.