Home / 76,634.80-105,735.36-44,811.52

Finding the Fourth Proportional to 76,634.80, 105,735.36 and 44,811.52

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Solution

The fourth proportional to 76,634.80, 105,735.36 and 44,811.52 is: 61,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,634.80 : 105,735.36 = 44,811.52 : x
  2. Step 2: Convert to fraction form
    76,634.80/105,735.36 = 44,811.52/x
  3. Step 3: Cross multiply
    76,634.80x = 105,735.36 × 44,811.52
  4. Step 4: Simplify right side
    76,634.80x = 4,738,162,199.35
  5. Step 5: Solve for x
    x = 4,738,162,199.35/76,634.80
  6. Step 6: Final answer
    x = 61,827.81

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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.