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Finding the Fourth Proportional to 80,685.66, 111,348.35 and 44,388.06

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Solution

The fourth proportional to 80,685.66, 111,348.35 and 44,388.06 is: 61,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.66 : 111,348.35 = 44,388.06 : x
  2. Step 2: Convert to fraction form
    80,685.66/111,348.35 = 44,388.06/x
  3. Step 3: Cross multiply
    80,685.66x = 111,348.35 × 44,388.06
  4. Step 4: Simplify right side
    80,685.66x = 4,942,537,018.76
  5. Step 5: Solve for x
    x = 4,942,537,018.76/80,685.66
  6. Step 6: Final answer
    x = 61,256.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.