Home / 68,339.16-102,419.27-36,712.25

Finding the Fourth Proportional to 68,339.16, 102,419.27 and 36,712.25

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Solution

The fourth proportional to 68,339.16, 102,419.27 and 36,712.25 is: 55,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.16 : 102,419.27 = 36,712.25 : x
  2. Step 2: Convert to fraction form
    68,339.16/102,419.27 = 36,712.25/x
  3. Step 3: Cross multiply
    68,339.16x = 102,419.27 × 36,712.25
  4. Step 4: Simplify right side
    68,339.16x = 3,760,041,845.06
  5. Step 5: Solve for x
    x = 3,760,041,845.06/68,339.16
  6. Step 6: Final answer
    x = 55,020.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.