Home / 98,384.11-135,759.60-55,362.85

Finding the Fourth Proportional to 98,384.11, 135,759.60 and 55,362.85

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Solution

The fourth proportional to 98,384.11, 135,759.60 and 55,362.85 is: 76,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,384.11 : 135,759.60 = 55,362.85 : x
  2. Step 2: Convert to fraction form
    98,384.11/135,759.60 = 55,362.85/x
  3. Step 3: Cross multiply
    98,384.11x = 135,759.60 × 55,362.85
  4. Step 4: Simplify right side
    98,384.11x = 7,516,038,370.86
  5. Step 5: Solve for x
    x = 7,516,038,370.86/98,384.11
  6. Step 6: Final answer
    x = 76,394.84

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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.