Home / 66,922.56-92,368.80-49,043.52

Finding the Fourth Proportional to 66,922.56, 92,368.80 and 49,043.52

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Solution

The fourth proportional to 66,922.56, 92,368.80 and 49,043.52 is: 67,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.56 : 92,368.80 = 49,043.52 : x
  2. Step 2: Convert to fraction form
    66,922.56/92,368.80 = 49,043.52/x
  3. Step 3: Cross multiply
    66,922.56x = 92,368.80 × 49,043.52
  4. Step 4: Simplify right side
    66,922.56x = 4,530,091,090.18
  5. Step 5: Solve for x
    x = 4,530,091,090.18/66,922.56
  6. Step 6: Final answer
    x = 67,691.54

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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.