Home / 61,986.52-85,548.58-34,770.10

Finding the Fourth Proportional to 61,986.52, 85,548.58 and 34,770.10

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Solution

The fourth proportional to 61,986.52, 85,548.58 and 34,770.10 is: 47,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.52 : 85,548.58 = 34,770.10 : x
  2. Step 2: Convert to fraction form
    61,986.52/85,548.58 = 34,770.10/x
  3. Step 3: Cross multiply
    61,986.52x = 85,548.58 × 34,770.10
  4. Step 4: Simplify right side
    61,986.52x = 2,974,532,520.73
  5. Step 5: Solve for x
    x = 2,974,532,520.73/61,986.52
  6. Step 6: Final answer
    x = 47,986.76

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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.