Home / 124,638.94-172,002.18-68,051.26

Finding the Fourth Proportional to 124,638.94, 172,002.18 and 68,051.26

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Solution

The fourth proportional to 124,638.94, 172,002.18 and 68,051.26 is: 93,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,638.94 : 172,002.18 = 68,051.26 : x
  2. Step 2: Convert to fraction form
    124,638.94/172,002.18 = 68,051.26/x
  3. Step 3: Cross multiply
    124,638.94x = 172,002.18 × 68,051.26
  4. Step 4: Simplify right side
    124,638.94x = 11,704,965,071.75
  5. Step 5: Solve for x
    x = 11,704,965,071.75/124,638.94
  6. Step 6: Final answer
    x = 93,910.98

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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.