Home / 72,738.06-109,126.08-22,819.74

Finding the Fourth Proportional to 72,738.06, 109,126.08 and 22,819.74

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Solution

The fourth proportional to 72,738.06, 109,126.08 and 22,819.74 is: 34,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,738.06 : 109,126.08 = 22,819.74 : x
  2. Step 2: Convert to fraction form
    72,738.06/109,126.08 = 22,819.74/x
  3. Step 3: Cross multiply
    72,738.06x = 109,126.08 × 22,819.74
  4. Step 4: Simplify right side
    72,738.06x = 2,490,228,772.82
  5. Step 5: Solve for x
    x = 2,490,228,772.82/72,738.06
  6. Step 6: Final answer
    x = 34,235.57

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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.