Home / 124,899.93-172,362.06-68,311.44

Finding the Fourth Proportional to 124,899.93, 172,362.06 and 68,311.44

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Solution

The fourth proportional to 124,899.93, 172,362.06 and 68,311.44 is: 94,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,899.93 : 172,362.06 = 68,311.44 : x
  2. Step 2: Convert to fraction form
    124,899.93/172,362.06 = 68,311.44/x
  3. Step 3: Cross multiply
    124,899.93x = 172,362.06 × 68,311.44
  4. Step 4: Simplify right side
    124,899.93x = 11,774,300,519.97
  5. Step 5: Solve for x
    x = 11,774,300,519.97/124,899.93
  6. Step 6: Final answer
    x = 94,269.87

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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.