Home / 66,283.12-91,468.87-36,067.74

Finding the Fourth Proportional to 66,283.12, 91,468.87 and 36,067.74

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Solution

The fourth proportional to 66,283.12, 91,468.87 and 36,067.74 is: 49,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.12 : 91,468.87 = 36,067.74 : x
  2. Step 2: Convert to fraction form
    66,283.12/91,468.87 = 36,067.74/x
  3. Step 3: Cross multiply
    66,283.12x = 91,468.87 × 36,067.74
  4. Step 4: Simplify right side
    66,283.12x = 3,299,075,502.59
  5. Step 5: Solve for x
    x = 3,299,075,502.59/66,283.12
  6. Step 6: Final answer
    x = 49,772.48

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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.