Home / 66,233.46-91,370.06-39,356.96

Finding the Fourth Proportional to 66,233.46, 91,370.06 and 39,356.96

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Solution

The fourth proportional to 66,233.46, 91,370.06 and 39,356.96 is: 54,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.46 : 91,370.06 = 39,356.96 : x
  2. Step 2: Convert to fraction form
    66,233.46/91,370.06 = 39,356.96/x
  3. Step 3: Cross multiply
    66,233.46x = 91,370.06 × 39,356.96
  4. Step 4: Simplify right side
    66,233.46x = 3,596,047,290.57
  5. Step 5: Solve for x
    x = 3,596,047,290.57/66,233.46
  6. Step 6: Final answer
    x = 54,293.51

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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.