Home / 76,574.06-105,656.72-44,736.80

Finding the Fourth Proportional to 76,574.06, 105,656.72 and 44,736.80

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Solution

The fourth proportional to 76,574.06, 105,656.72 and 44,736.80 is: 61,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,574.06 : 105,656.72 = 44,736.80 : x
  2. Step 2: Convert to fraction form
    76,574.06/105,656.72 = 44,736.80/x
  3. Step 3: Cross multiply
    76,574.06x = 105,656.72 × 44,736.80
  4. Step 4: Simplify right side
    76,574.06x = 4,726,743,789.86
  5. Step 5: Solve for x
    x = 4,726,743,789.86/76,574.06
  6. Step 6: Final answer
    x = 61,727.74

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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.