Home / 124,643.22-172,007.55-68,054.59

Finding the Fourth Proportional to 124,643.22, 172,007.55 and 68,054.59

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Solution

The fourth proportional to 124,643.22, 172,007.55 and 68,054.59 is: 93,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,643.22 : 172,007.55 = 68,054.59 : x
  2. Step 2: Convert to fraction form
    124,643.22/172,007.55 = 68,054.59/x
  3. Step 3: Cross multiply
    124,643.22x = 172,007.55 × 68,054.59
  4. Step 4: Simplify right side
    124,643.22x = 11,705,903,292.15
  5. Step 5: Solve for x
    x = 11,705,903,292.15/124,643.22
  6. Step 6: Final answer
    x = 93,915.28

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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.