Home / 98,085.87-135,352.62-55,062.18

Finding the Fourth Proportional to 98,085.87, 135,352.62 and 55,062.18

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Solution

The fourth proportional to 98,085.87, 135,352.62 and 55,062.18 is: 75,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,085.87 : 135,352.62 = 55,062.18 : x
  2. Step 2: Convert to fraction form
    98,085.87/135,352.62 = 55,062.18/x
  3. Step 3: Cross multiply
    98,085.87x = 135,352.62 × 55,062.18
  4. Step 4: Simplify right side
    98,085.87x = 7,452,810,325.91
  5. Step 5: Solve for x
    x = 7,452,810,325.91/98,085.87
  6. Step 6: Final answer
    x = 75,982.51

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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.