Home / 78,085.08-107,753.04-44,091.36

Finding the Fourth Proportional to 78,085.08, 107,753.04 and 44,091.36

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Solution

The fourth proportional to 78,085.08, 107,753.04 and 44,091.36 is: 60,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,085.08 : 107,753.04 = 44,091.36 : x
  2. Step 2: Convert to fraction form
    78,085.08/107,753.04 = 44,091.36/x
  3. Step 3: Cross multiply
    78,085.08x = 107,753.04 × 44,091.36
  4. Step 4: Simplify right side
    78,085.08x = 4,750,978,077.73
  5. Step 5: Solve for x
    x = 4,750,978,077.73/78,085.08
  6. Step 6: Final answer
    x = 60,843.61

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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.