Home / 72,208.08-108,272.45-22,274.34

Finding the Fourth Proportional to 72,208.08, 108,272.45 and 22,274.34

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Solution

The fourth proportional to 72,208.08, 108,272.45 and 22,274.34 is: 33,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,208.08 : 108,272.45 = 22,274.34 : x
  2. Step 2: Convert to fraction form
    72,208.08/108,272.45 = 22,274.34/x
  3. Step 3: Cross multiply
    72,208.08x = 108,272.45 × 22,274.34
  4. Step 4: Simplify right side
    72,208.08x = 2,411,697,252.56
  5. Step 5: Solve for x
    x = 2,411,697,252.56/72,208.08
  6. Step 6: Final answer
    x = 33,399.27

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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.