Home / 112,463.26-168,611.56-68,079.54

Finding the Fourth Proportional to 112,463.26, 168,611.56 and 68,079.54

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Solution

The fourth proportional to 112,463.26, 168,611.56 and 68,079.54 is: 102,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.26 : 168,611.56 = 68,079.54 : x
  2. Step 2: Convert to fraction form
    112,463.26/168,611.56 = 68,079.54/x
  3. Step 3: Cross multiply
    112,463.26x = 168,611.56 × 68,079.54
  4. Step 4: Simplify right side
    112,463.26x = 11,478,997,443.48
  5. Step 5: Solve for x
    x = 11,478,997,443.48/112,463.26
  6. Step 6: Final answer
    x = 102,068.87

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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.