Home / 124,858.45-172,305.33-68,269.83

Finding the Fourth Proportional to 124,858.45, 172,305.33 and 68,269.83

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Solution

The fourth proportional to 124,858.45, 172,305.33 and 68,269.83 is: 94,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858.45 : 172,305.33 = 68,269.83 : x
  2. Step 2: Convert to fraction form
    124,858.45/172,305.33 = 68,269.83/x
  3. Step 3: Cross multiply
    124,858.45x = 172,305.33 × 68,269.83
  4. Step 4: Simplify right side
    124,858.45x = 11,763,254,384.32
  5. Step 5: Solve for x
    x = 11,763,254,384.32/124,858.45
  6. Step 6: Final answer
    x = 94,212.72

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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.