Home / 98,060.32-135,317.54-55,035.80

Finding the Fourth Proportional to 98,060.32, 135,317.54 and 55,035.80

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Solution

The fourth proportional to 98,060.32, 135,317.54 and 55,035.80 is: 75,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,060.32 : 135,317.54 = 55,035.80 : x
  2. Step 2: Convert to fraction form
    98,060.32/135,317.54 = 55,035.80/x
  3. Step 3: Cross multiply
    98,060.32x = 135,317.54 × 55,035.80
  4. Step 4: Simplify right side
    98,060.32x = 7,447,309,067.93
  5. Step 5: Solve for x
    x = 7,447,309,067.93/98,060.32
  6. Step 6: Final answer
    x = 75,946.20

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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.