Home / 66,344.97-91,554.69-36,130.83

Finding the Fourth Proportional to 66,344.97, 91,554.69 and 36,130.83

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Solution

The fourth proportional to 66,344.97, 91,554.69 and 36,130.83 is: 49,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.97 : 91,554.69 = 36,130.83 : x
  2. Step 2: Convert to fraction form
    66,344.97/91,554.69 = 36,130.83/x
  3. Step 3: Cross multiply
    66,344.97x = 91,554.69 × 36,130.83
  4. Step 4: Simplify right side
    66,344.97x = 3,307,946,940.09
  5. Step 5: Solve for x
    x = 3,307,946,940.09/66,344.97
  6. Step 6: Final answer
    x = 49,859.80

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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.