Home / 97,829.52-135,004.80-55,388.10

Finding the Fourth Proportional to 97,829.52, 135,004.80 and 55,388.10

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Solution

The fourth proportional to 97,829.52, 135,004.80 and 55,388.10 is: 76,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,829.52 : 135,004.80 = 55,388.10 : x
  2. Step 2: Convert to fraction form
    97,829.52/135,004.80 = 55,388.10/x
  3. Step 3: Cross multiply
    97,829.52x = 135,004.80 × 55,388.10
  4. Step 4: Simplify right side
    97,829.52x = 7,477,659,362.88
  5. Step 5: Solve for x
    x = 7,477,659,362.88/97,829.52
  6. Step 6: Final answer
    x = 76,435.61

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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.