Home / 102,786.02-141,792.75-68,795.93

Finding the Fourth Proportional to 102,786.02, 141,792.75 and 68,795.93

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Solution

The fourth proportional to 102,786.02, 141,792.75 and 68,795.93 is: 94,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,786.02 : 141,792.75 = 68,795.93 : x
  2. Step 2: Convert to fraction form
    102,786.02/141,792.75 = 68,795.93/x
  3. Step 3: Cross multiply
    102,786.02x = 141,792.75 × 68,795.93
  4. Step 4: Simplify right side
    102,786.02x = 9,754,763,394.54
  5. Step 5: Solve for x
    x = 9,754,763,394.54/102,786.02
  6. Step 6: Final answer
    x = 94,903.61

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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.