Home / 51,705.20-77,428.20-34,079.60

Finding the Fourth Proportional to 51,705.20, 77,428.20 and 34,079.60

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Solution

The fourth proportional to 51,705.20, 77,428.20 and 34,079.60 is: 51,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.20 : 77,428.20 = 34,079.60 : x
  2. Step 2: Convert to fraction form
    51,705.20/77,428.20 = 34,079.60/x
  3. Step 3: Cross multiply
    51,705.20x = 77,428.20 × 34,079.60
  4. Step 4: Simplify right side
    51,705.20x = 2,638,722,084.72
  5. Step 5: Solve for x
    x = 2,638,722,084.72/51,705.20
  6. Step 6: Final answer
    x = 51,033.98

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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.