Home / 76,478.45-105,532.61-44,665.88

Finding the Fourth Proportional to 76,478.45, 105,532.61 and 44,665.88

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Solution

The fourth proportional to 76,478.45, 105,532.61 and 44,665.88 is: 61,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,478.45 : 105,532.61 = 44,665.88 : x
  2. Step 2: Convert to fraction form
    76,478.45/105,532.61 = 44,665.88/x
  3. Step 3: Cross multiply
    76,478.45x = 105,532.61 × 44,665.88
  4. Step 4: Simplify right side
    76,478.45x = 4,713,706,143.35
  5. Step 5: Solve for x
    x = 4,713,706,143.35/76,478.45
  6. Step 6: Final answer
    x = 61,634.44

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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.