Home / 66,439.22-99,546.06-40,088.60

Finding the Fourth Proportional to 66,439.22, 99,546.06 and 40,088.60

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Solution

The fourth proportional to 66,439.22, 99,546.06 and 40,088.60 is: 60,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.22 : 99,546.06 = 40,088.60 : x
  2. Step 2: Convert to fraction form
    66,439.22/99,546.06 = 40,088.60/x
  3. Step 3: Cross multiply
    66,439.22x = 99,546.06 × 40,088.60
  4. Step 4: Simplify right side
    66,439.22x = 3,990,662,180.92
  5. Step 5: Solve for x
    x = 3,990,662,180.92/66,439.22
  6. Step 6: Final answer
    x = 60,064.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.