Home / 66,081.09-91,192.18-35,866.46

Finding the Fourth Proportional to 66,081.09, 91,192.18 and 35,866.46

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Solution

The fourth proportional to 66,081.09, 91,192.18 and 35,866.46 is: 49,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.09 : 91,192.18 = 35,866.46 : x
  2. Step 2: Convert to fraction form
    66,081.09/91,192.18 = 35,866.46/x
  3. Step 3: Cross multiply
    66,081.09x = 91,192.18 × 35,866.46
  4. Step 4: Simplify right side
    66,081.09x = 3,270,740,040.99
  5. Step 5: Solve for x
    x = 3,270,740,040.99/66,081.09
  6. Step 6: Final answer
    x = 49,495.85

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1.5x scale

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.