Home / 66,690.09-92,028.87-36,469.53

Finding the Fourth Proportional to 66,690.09, 92,028.87 and 36,469.53

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Solution

The fourth proportional to 66,690.09, 92,028.87 and 36,469.53 is: 50,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.09 : 92,028.87 = 36,469.53 : x
  2. Step 2: Convert to fraction form
    66,690.09/92,028.87 = 36,469.53/x
  3. Step 3: Cross multiply
    66,690.09x = 92,028.87 × 36,469.53
  4. Step 4: Simplify right side
    66,690.09x = 3,356,249,635.33
  5. Step 5: Solve for x
    x = 3,356,249,635.33/66,690.09
  6. Step 6: Final answer
    x = 50,326.06

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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.