Home / 117,737.46-162,437.94-66,744.72

Finding the Fourth Proportional to 117,737.46, 162,437.94 and 66,744.72

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Solution

The fourth proportional to 117,737.46, 162,437.94 and 66,744.72 is: 92,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,737.46 : 162,437.94 = 66,744.72 : x
  2. Step 2: Convert to fraction form
    117,737.46/162,437.94 = 66,744.72/x
  3. Step 3: Cross multiply
    117,737.46x = 162,437.94 × 66,744.72
  4. Step 4: Simplify right side
    117,737.46x = 10,841,874,822.68
  5. Step 5: Solve for x
    x = 10,841,874,822.68/117,737.46
  6. Step 6: Final answer
    x = 92,085.18

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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.