Home / 68,085.32-102,223.64-34,829.24

Finding the Fourth Proportional to 68,085.32, 102,223.64 and 34,829.24

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Solution

The fourth proportional to 68,085.32, 102,223.64 and 34,829.24 is: 52,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,085.32 : 102,223.64 = 34,829.24 : x
  2. Step 2: Convert to fraction form
    68,085.32/102,223.64 = 34,829.24/x
  3. Step 3: Cross multiply
    68,085.32x = 102,223.64 × 34,829.24
  4. Step 4: Simplify right side
    68,085.32x = 3,560,371,691.23
  5. Step 5: Solve for x
    x = 3,560,371,691.23/68,085.32
  6. Step 6: Final answer
    x = 52,292.80

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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.