Home / 76,283.41-105,274.70-47,620.04

Finding the Fourth Proportional to 76,283.41, 105,274.70 and 47,620.04

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Solution

The fourth proportional to 76,283.41, 105,274.70 and 47,620.04 is: 65,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.41 : 105,274.70 = 47,620.04 : x
  2. Step 2: Convert to fraction form
    76,283.41/105,274.70 = 47,620.04/x
  3. Step 3: Cross multiply
    76,283.41x = 105,274.70 × 47,620.04
  4. Step 4: Simplify right side
    76,283.41x = 5,013,185,424.99
  5. Step 5: Solve for x
    x = 5,013,185,424.99/76,283.41
  6. Step 6: Final answer
    x = 65,717.90

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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.