Home / 66,033.76-91,121.84-37,353.28

Finding the Fourth Proportional to 66,033.76, 91,121.84 and 37,353.28

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Solution

The fourth proportional to 66,033.76, 91,121.84 and 37,353.28 is: 51,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.76 : 91,121.84 = 37,353.28 : x
  2. Step 2: Convert to fraction form
    66,033.76/91,121.84 = 37,353.28/x
  3. Step 3: Cross multiply
    66,033.76x = 91,121.84 × 37,353.28
  4. Step 4: Simplify right side
    66,033.76x = 3,403,699,603.64
  5. Step 5: Solve for x
    x = 3,403,699,603.64/66,033.76
  6. Step 6: Final answer
    x = 51,544.84

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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.