Home / 74,410.50-111,520.83-34,880.52

Finding the Fourth Proportional to 74,410.50, 111,520.83 and 34,880.52

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Solution

The fourth proportional to 74,410.50, 111,520.83 and 34,880.52 is: 52,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,410.50 : 111,520.83 = 34,880.52 : x
  2. Step 2: Convert to fraction form
    74,410.50/111,520.83 = 34,880.52/x
  3. Step 3: Cross multiply
    74,410.50x = 111,520.83 × 34,880.52
  4. Step 4: Simplify right side
    74,410.50x = 3,889,904,541.23
  5. Step 5: Solve for x
    x = 3,889,904,541.23/74,410.50
  6. Step 6: Final answer
    x = 52,276.29

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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.