Home / 124,784.64-172,202.42-68,196.02

Finding the Fourth Proportional to 124,784.64, 172,202.42 and 68,196.02

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Solution

The fourth proportional to 124,784.64, 172,202.42 and 68,196.02 is: 94,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,784.64 : 172,202.42 = 68,196.02 : x
  2. Step 2: Convert to fraction form
    124,784.64/172,202.42 = 68,196.02/x
  3. Step 3: Cross multiply
    124,784.64x = 172,202.42 × 68,196.02
  4. Step 4: Simplify right side
    124,784.64x = 11,743,518,987.85
  5. Step 5: Solve for x
    x = 11,743,518,987.85/124,784.64
  6. Step 6: Final answer
    x = 94,110.29

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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.