Home / 80,962.70-121,407.60-36,566.60

Finding the Fourth Proportional to 80,962.70, 121,407.60 and 36,566.60

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Solution

The fourth proportional to 80,962.70, 121,407.60 and 36,566.60 is: 54,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962.70 : 121,407.60 = 36,566.60 : x
  2. Step 2: Convert to fraction form
    80,962.70/121,407.60 = 36,566.60/x
  3. Step 3: Cross multiply
    80,962.70x = 121,407.60 × 36,566.60
  4. Step 4: Simplify right side
    80,962.70x = 4,439,463,146.16
  5. Step 5: Solve for x
    x = 4,439,463,146.16/80,962.70
  6. Step 6: Final answer
    x = 54,833.44

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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.