Home / 112,457.72-168,603.25-68,073.98

Finding the Fourth Proportional to 112,457.72, 168,603.25 and 68,073.98

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Solution

The fourth proportional to 112,457.72, 168,603.25 and 68,073.98 is: 102,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.72 : 168,603.25 = 68,073.98 : x
  2. Step 2: Convert to fraction form
    112,457.72/168,603.25 = 68,073.98/x
  3. Step 3: Cross multiply
    112,457.72x = 168,603.25 × 68,073.98
  4. Step 4: Simplify right side
    112,457.72x = 11,477,494,268.44
  5. Step 5: Solve for x
    x = 11,477,494,268.44/112,457.72
  6. Step 6: Final answer
    x = 102,060.53

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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.