Home / 105,498.60-158,236.98-55,558.44

Finding the Fourth Proportional to 105,498.60, 158,236.98 and 55,558.44

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Solution

The fourth proportional to 105,498.60, 158,236.98 and 55,558.44 is: 83,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,498.60 : 158,236.98 = 55,558.44 : x
  2. Step 2: Convert to fraction form
    105,498.60/158,236.98 = 55,558.44/x
  3. Step 3: Cross multiply
    105,498.60x = 158,236.98 × 55,558.44
  4. Step 4: Simplify right side
    105,498.60x = 8,791,399,759.11
  5. Step 5: Solve for x
    x = 8,791,399,759.11/105,498.60
  6. Step 6: Final answer
    x = 83,331.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.