Home / 125,539.86-173,247.96-68,181.32

Finding the Fourth Proportional to 125,539.86, 173,247.96 and 68,181.32

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Solution

The fourth proportional to 125,539.86, 173,247.96 and 68,181.32 is: 94,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,539.86 : 173,247.96 = 68,181.32 : x
  2. Step 2: Convert to fraction form
    125,539.86/173,247.96 = 68,181.32/x
  3. Step 3: Cross multiply
    125,539.86x = 173,247.96 × 68,181.32
  4. Step 4: Simplify right side
    125,539.86x = 11,812,274,600.11
  5. Step 5: Solve for x
    x = 11,812,274,600.11/125,539.86
  6. Step 6: Final answer
    x = 94,091.83

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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.