Home / 124,795.88-172,218.46-68,207.32

Finding the Fourth Proportional to 124,795.88, 172,218.46 and 68,207.32

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Solution

The fourth proportional to 124,795.88, 172,218.46 and 68,207.32 is: 94,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,795.88 : 172,218.46 = 68,207.32 : x
  2. Step 2: Convert to fraction form
    124,795.88/172,218.46 = 68,207.32/x
  3. Step 3: Cross multiply
    124,795.88x = 172,218.46 × 68,207.32
  4. Step 4: Simplify right side
    124,795.88x = 11,746,559,611.13
  5. Step 5: Solve for x
    x = 11,746,559,611.13/124,795.88
  6. Step 6: Final answer
    x = 94,126.18

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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.