Home / 112,463.22-168,611.49-68,079.48

Finding the Fourth Proportional to 112,463.22, 168,611.49 and 68,079.48

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Solution

The fourth proportional to 112,463.22, 168,611.49 and 68,079.48 is: 102,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.22 : 168,611.49 = 68,079.48 : x
  2. Step 2: Convert to fraction form
    112,463.22/168,611.49 = 68,079.48/x
  3. Step 3: Cross multiply
    112,463.22x = 168,611.49 × 68,079.48
  4. Step 4: Simplify right side
    112,463.22x = 11,478,982,561.23
  5. Step 5: Solve for x
    x = 11,478,982,561.23/112,463.22
  6. Step 6: Final answer
    x = 102,068.77

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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.