Home / 66,011.20-91,093.44-47,179.84

Finding the Fourth Proportional to 66,011.20, 91,093.44 and 47,179.84

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Solution

The fourth proportional to 66,011.20, 91,093.44 and 47,179.84 is: 65,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.20 : 91,093.44 = 47,179.84 : x
  2. Step 2: Convert to fraction form
    66,011.20/91,093.44 = 47,179.84/x
  3. Step 3: Cross multiply
    66,011.20x = 91,093.44 × 47,179.84
  4. Step 4: Simplify right side
    66,011.20x = 4,297,773,924.25
  5. Step 5: Solve for x
    x = 4,297,773,924.25/66,011.20
  6. Step 6: Final answer
    x = 65,106.74

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Why These Related Problems?

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