Home / 125,270.22-172,872.54-68,681.64

Finding the Fourth Proportional to 125,270.22, 172,872.54 and 68,681.64

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Solution

The fourth proportional to 125,270.22, 172,872.54 and 68,681.64 is: 94,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,270.22 : 172,872.54 = 68,681.64 : x
  2. Step 2: Convert to fraction form
    125,270.22/172,872.54 = 68,681.64/x
  3. Step 3: Cross multiply
    125,270.22x = 172,872.54 × 68,681.64
  4. Step 4: Simplify right side
    125,270.22x = 11,873,169,558.17
  5. Step 5: Solve for x
    x = 11,873,169,558.17/125,270.22
  6. Step 6: Final answer
    x = 94,780.46

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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.