Home / 123,893.72-170,967.85-70,177.66

Finding the Fourth Proportional to 123,893.72, 170,967.85 and 70,177.66

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Solution

The fourth proportional to 123,893.72, 170,967.85 and 70,177.66 is: 96,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,893.72 : 170,967.85 = 70,177.66 : x
  2. Step 2: Convert to fraction form
    123,893.72/170,967.85 = 70,177.66/x
  3. Step 3: Cross multiply
    123,893.72x = 170,967.85 × 70,177.66
  4. Step 4: Simplify right side
    123,893.72x = 11,998,122,442.50
  5. Step 5: Solve for x
    x = 11,998,122,442.50/123,893.72
  6. Step 6: Final answer
    x = 96,842.05

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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.