Home / 66,081.04-91,191.92-35,866.35

Finding the Fourth Proportional to 66,081.04, 91,191.92 and 35,866.35

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Solution

The fourth proportional to 66,081.04, 91,191.92 and 35,866.35 is: 49,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.04 : 91,191.92 = 35,866.35 : x
  2. Step 2: Convert to fraction form
    66,081.04/91,191.92 = 35,866.35/x
  3. Step 3: Cross multiply
    66,081.04x = 91,191.92 × 35,866.35
  4. Step 4: Simplify right side
    66,081.04x = 3,270,721,140.56
  5. Step 5: Solve for x
    x = 3,270,721,140.56/66,081.04
  6. Step 6: Final answer
    x = 49,495.61

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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.