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Finding the Fourth Proportional to 80,059.79, 119,840.58 and 50,415.35

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Solution

The fourth proportional to 80,059.79, 119,840.58 and 50,415.35 is: 75,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,059.79 : 119,840.58 = 50,415.35 : x
  2. Step 2: Convert to fraction form
    80,059.79/119,840.58 = 50,415.35/x
  3. Step 3: Cross multiply
    80,059.79x = 119,840.58 × 50,415.35
  4. Step 4: Simplify right side
    80,059.79x = 6,041,804,185.70
  5. Step 5: Solve for x
    x = 6,041,804,185.70/80,059.79
  6. Step 6: Final answer
    x = 75,466.15

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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.