Home / 61,771.10-85,304.60-52,766.12

Finding the Fourth Proportional to 61,771.10, 85,304.60 and 52,766.12

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Solution

The fourth proportional to 61,771.10, 85,304.60 and 52,766.12 is: 72,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.10 : 85,304.60 = 52,766.12 : x
  2. Step 2: Convert to fraction form
    61,771.10/85,304.60 = 52,766.12/x
  3. Step 3: Cross multiply
    61,771.10x = 85,304.60 × 52,766.12
  4. Step 4: Simplify right side
    61,771.10x = 4,501,192,069.80
  5. Step 5: Solve for x
    x = 4,501,192,069.80/61,771.10
  6. Step 6: Final answer
    x = 72,868.91

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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.