Home / 76,922.60-106,116.79-50,055.31

Finding the Fourth Proportional to 76,922.60, 106,116.79 and 50,055.31

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Solution

The fourth proportional to 76,922.60, 106,116.79 and 50,055.31 is: 69,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.60 : 106,116.79 = 50,055.31 : x
  2. Step 2: Convert to fraction form
    76,922.60/106,116.79 = 50,055.31/x
  3. Step 3: Cross multiply
    76,922.60x = 106,116.79 × 50,055.31
  4. Step 4: Simplify right side
    76,922.60x = 5,311,708,038.79
  5. Step 5: Solve for x
    x = 5,311,708,038.79/76,922.60
  6. Step 6: Final answer
    x = 69,052.63

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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.