Home / 124,900.23-172,366.48-68,311.61

Finding the Fourth Proportional to 124,900.23, 172,366.48 and 68,311.61

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Solution

The fourth proportional to 124,900.23, 172,366.48 and 68,311.61 is: 94,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.23 : 172,366.48 = 68,311.61 : x
  2. Step 2: Convert to fraction form
    124,900.23/172,366.48 = 68,311.61/x
  3. Step 3: Cross multiply
    124,900.23x = 172,366.48 × 68,311.61
  4. Step 4: Simplify right side
    124,900.23x = 11,774,631,758.83
  5. Step 5: Solve for x
    x = 11,774,631,758.83/124,900.23
  6. Step 6: Final answer
    x = 94,272.30

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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.