Home / 72,249.66-108,328.35-34,735.08

Finding the Fourth Proportional to 72,249.66, 108,328.35 and 34,735.08

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Solution

The fourth proportional to 72,249.66, 108,328.35 and 34,735.08 is: 52,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,249.66 : 108,328.35 = 34,735.08 : x
  2. Step 2: Convert to fraction form
    72,249.66/108,328.35 = 34,735.08/x
  3. Step 3: Cross multiply
    72,249.66x = 108,328.35 × 34,735.08
  4. Step 4: Simplify right side
    72,249.66x = 3,762,793,903.52
  5. Step 5: Solve for x
    x = 3,762,793,903.52/72,249.66
  6. Step 6: Final answer
    x = 52,080.44

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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.