Home / 66,073.51-91,175.25-37,395.80

Finding the Fourth Proportional to 66,073.51, 91,175.25 and 37,395.80

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Solution

The fourth proportional to 66,073.51, 91,175.25 and 37,395.80 is: 51,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.51 : 91,175.25 = 37,395.80 : x
  2. Step 2: Convert to fraction form
    66,073.51/91,175.25 = 37,395.80/x
  3. Step 3: Cross multiply
    66,073.51x = 91,175.25 × 37,395.80
  4. Step 4: Simplify right side
    66,073.51x = 3,409,571,413.95
  5. Step 5: Solve for x
    x = 3,409,571,413.95/66,073.51
  6. Step 6: Final answer
    x = 51,602.70

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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.