Home / 124,643.24-172,006.66-68,054.60

Finding the Fourth Proportional to 124,643.24, 172,006.66 and 68,054.60

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Solution

The fourth proportional to 124,643.24, 172,006.66 and 68,054.60 is: 93,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,643.24 : 172,006.66 = 68,054.60 : x
  2. Step 2: Convert to fraction form
    124,643.24/172,006.66 = 68,054.60/x
  3. Step 3: Cross multiply
    124,643.24x = 172,006.66 × 68,054.60
  4. Step 4: Simplify right side
    124,643.24x = 11,705,844,443.64
  5. Step 5: Solve for x
    x = 11,705,844,443.64/124,643.24
  6. Step 6: Final answer
    x = 93,914.80

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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.