Home / 61,662.04-85,084.49-36,158.78

Finding the Fourth Proportional to 61,662.04, 85,084.49 and 36,158.78

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Solution

The fourth proportional to 61,662.04, 85,084.49 and 36,158.78 is: 49,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.04 : 85,084.49 = 36,158.78 : x
  2. Step 2: Convert to fraction form
    61,662.04/85,084.49 = 36,158.78/x
  3. Step 3: Cross multiply
    61,662.04x = 85,084.49 × 36,158.78
  4. Step 4: Simplify right side
    61,662.04x = 3,076,551,658.43
  5. Step 5: Solve for x
    x = 3,076,551,658.43/61,662.04
  6. Step 6: Final answer
    x = 49,893.77

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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.