Home / 97,917.58-135,147.99-55,499.50

Finding the Fourth Proportional to 97,917.58, 135,147.99 and 55,499.50

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Solution

The fourth proportional to 97,917.58, 135,147.99 and 55,499.50 is: 76,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,917.58 : 135,147.99 = 55,499.50 : x
  2. Step 2: Convert to fraction form
    97,917.58/135,147.99 = 55,499.50/x
  3. Step 3: Cross multiply
    97,917.58x = 135,147.99 × 55,499.50
  4. Step 4: Simplify right side
    97,917.58x = 7,500,645,871.01
  5. Step 5: Solve for x
    x = 7,500,645,871.01/97,917.58
  6. Step 6: Final answer
    x = 76,601.63

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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.