Home / 66,233.26-91,402.33-36,018.91

Finding the Fourth Proportional to 66,233.26, 91,402.33 and 36,018.91

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Solution

The fourth proportional to 66,233.26, 91,402.33 and 36,018.91 is: 49,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.26 : 91,402.33 = 36,018.91 : x
  2. Step 2: Convert to fraction form
    66,233.26/91,402.33 = 36,018.91/x
  3. Step 3: Cross multiply
    66,233.26x = 91,402.33 × 36,018.91
  4. Step 4: Simplify right side
    66,233.26x = 3,292,211,841.05
  5. Step 5: Solve for x
    x = 3,292,211,841.05/66,233.26
  6. Step 6: Final answer
    x = 49,706.33

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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.