Home / 61,949.40-92,912.72-28,207.42

Finding the Fourth Proportional to 61,949.40, 92,912.72 and 28,207.42

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Solution

The fourth proportional to 61,949.40, 92,912.72 and 28,207.42 is: 42,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.40 : 92,912.72 = 28,207.42 : x
  2. Step 2: Convert to fraction form
    61,949.40/92,912.72 = 28,207.42/x
  3. Step 3: Cross multiply
    61,949.40x = 92,912.72 × 28,207.42
  4. Step 4: Simplify right side
    61,949.40x = 2,620,828,116.38
  5. Step 5: Solve for x
    x = 2,620,828,116.38/61,949.40
  6. Step 6: Final answer
    x = 42,305.95

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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.