Home / 112,455.72-168,600.26-68,071.98

Finding the Fourth Proportional to 112,455.72, 168,600.26 and 68,071.98

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Solution

The fourth proportional to 112,455.72, 168,600.26 and 68,071.98 is: 102,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455.72 : 168,600.26 = 68,071.98 : x
  2. Step 2: Convert to fraction form
    112,455.72/168,600.26 = 68,071.98/x
  3. Step 3: Cross multiply
    112,455.72x = 168,600.26 × 68,071.98
  4. Step 4: Simplify right side
    112,455.72x = 11,476,953,186.35
  5. Step 5: Solve for x
    x = 11,476,953,186.35/112,455.72
  6. Step 6: Final answer
    x = 102,057.53

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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.