Home / 72,391.04-108,656.64-34,977.44

Finding the Fourth Proportional to 72,391.04, 108,656.64 and 34,977.44

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Solution

The fourth proportional to 72,391.04, 108,656.64 and 34,977.44 is: 52,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,391.04 : 108,656.64 = 34,977.44 : x
  2. Step 2: Convert to fraction form
    72,391.04/108,656.64 = 34,977.44/x
  3. Step 3: Cross multiply
    72,391.04x = 108,656.64 × 34,977.44
  4. Step 4: Simplify right side
    72,391.04x = 3,800,531,106.20
  5. Step 5: Solve for x
    x = 3,800,531,106.20/72,391.04
  6. Step 6: Final answer
    x = 52,500.02

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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.