Home / 66,255.74-91,434.09-36,041.72

Finding the Fourth Proportional to 66,255.74, 91,434.09 and 36,041.72

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Solution

The fourth proportional to 66,255.74, 91,434.09 and 36,041.72 is: 49,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.74 : 91,434.09 = 36,041.72 : x
  2. Step 2: Convert to fraction form
    66,255.74/91,434.09 = 36,041.72/x
  3. Step 3: Cross multiply
    66,255.74x = 91,434.09 × 36,041.72
  4. Step 4: Simplify right side
    66,255.74x = 3,295,441,413.06
  5. Step 5: Solve for x
    x = 3,295,441,413.06/66,255.74
  6. Step 6: Final answer
    x = 49,738.21

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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.