Home / 66,787.12-92,162.72-36,566.64

Finding the Fourth Proportional to 66,787.12, 92,162.72 and 36,566.64

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Solution

The fourth proportional to 66,787.12, 92,162.72 and 36,566.64 is: 50,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.12 : 92,162.72 = 36,566.64 : x
  2. Step 2: Convert to fraction form
    66,787.12/92,162.72 = 36,566.64/x
  3. Step 3: Cross multiply
    66,787.12x = 92,162.72 × 36,566.64
  4. Step 4: Simplify right side
    66,787.12x = 3,370,081,003.66
  5. Step 5: Solve for x
    x = 3,370,081,003.66/66,787.12
  6. Step 6: Final answer
    x = 50,460.04

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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.