Home / 88,181.06-121,690.74-47,895.61

Finding the Fourth Proportional to 88,181.06, 121,690.74 and 47,895.61

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Solution

The fourth proportional to 88,181.06, 121,690.74 and 47,895.61 is: 66,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.06 : 121,690.74 = 47,895.61 : x
  2. Step 2: Convert to fraction form
    88,181.06/121,690.74 = 47,895.61/x
  3. Step 3: Cross multiply
    88,181.06x = 121,690.74 × 47,895.61
  4. Step 4: Simplify right side
    88,181.06x = 5,828,451,615.20
  5. Step 5: Solve for x
    x = 5,828,451,615.20/88,181.06
  6. Step 6: Final answer
    x = 66,096.42

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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.