Home / 61,724.86-85,179.91-34,876.06

Finding the Fourth Proportional to 61,724.86, 85,179.91 and 34,876.06

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Solution

The fourth proportional to 61,724.86, 85,179.91 and 34,876.06 is: 48,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.86 : 85,179.91 = 34,876.06 : x
  2. Step 2: Convert to fraction form
    61,724.86/85,179.91 = 34,876.06/x
  3. Step 3: Cross multiply
    61,724.86x = 85,179.91 × 34,876.06
  4. Step 4: Simplify right side
    61,724.86x = 2,970,739,651.95
  5. Step 5: Solve for x
    x = 2,970,739,651.95/61,724.86
  6. Step 6: Final answer
    x = 48,128.74

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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.