Home / 76,778.07-105,917.52-44,927.25

Finding the Fourth Proportional to 76,778.07, 105,917.52 and 44,927.25

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Solution

The fourth proportional to 76,778.07, 105,917.52 and 44,927.25 is: 61,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778.07 : 105,917.52 = 44,927.25 : x
  2. Step 2: Convert to fraction form
    76,778.07/105,917.52 = 44,927.25/x
  3. Step 3: Cross multiply
    76,778.07x = 105,917.52 × 44,927.25
  4. Step 4: Simplify right side
    76,778.07x = 4,758,582,900.42
  5. Step 5: Solve for x
    x = 4,758,582,900.42/76,778.07
  6. Step 6: Final answer
    x = 61,978.41

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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.