Home / 66,106.06-91,225.84-35,890.77

Finding the Fourth Proportional to 66,106.06, 91,225.84 and 35,890.77

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Solution

The fourth proportional to 66,106.06, 91,225.84 and 35,890.77 is: 49,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.06 : 91,225.84 = 35,890.77 : x
  2. Step 2: Convert to fraction form
    66,106.06/91,225.84 = 35,890.77/x
  3. Step 3: Cross multiply
    66,106.06x = 91,225.84 × 35,890.77
  4. Step 4: Simplify right side
    66,106.06x = 3,274,165,961.16
  5. Step 5: Solve for x
    x = 3,274,165,961.16/66,106.06
  6. Step 6: Final answer
    x = 49,528.99

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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.