Home / 117,056.34-161,537.04-66,085.61

Finding the Fourth Proportional to 117,056.34, 161,537.04 and 66,085.61

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Solution

The fourth proportional to 117,056.34, 161,537.04 and 66,085.61 is: 91,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,056.34 : 161,537.04 = 66,085.61 : x
  2. Step 2: Convert to fraction form
    117,056.34/161,537.04 = 66,085.61/x
  3. Step 3: Cross multiply
    117,056.34x = 161,537.04 × 66,085.61
  4. Step 4: Simplify right side
    117,056.34x = 10,675,273,018.31
  5. Step 5: Solve for x
    x = 10,675,273,018.31/117,056.34
  6. Step 6: Final answer
    x = 91,197.73

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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.