Home / 66,106.21-91,226.05-35,890.93

Finding the Fourth Proportional to 66,106.21, 91,226.05 and 35,890.93

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Solution

The fourth proportional to 66,106.21, 91,226.05 and 35,890.93 is: 49,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.21 : 91,226.05 = 35,890.93 : x
  2. Step 2: Convert to fraction form
    66,106.21/91,226.05 = 35,890.93/x
  3. Step 3: Cross multiply
    66,106.21x = 91,226.05 × 35,890.93
  4. Step 4: Simplify right side
    66,106.21x = 3,274,187,774.73
  5. Step 5: Solve for x
    x = 3,274,187,774.73/66,106.21
  6. Step 6: Final answer
    x = 49,529.20

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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.