Home / 66,184.09-91,327.07-39,322.94

Finding the Fourth Proportional to 66,184.09, 91,327.07 and 39,322.94

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Solution

The fourth proportional to 66,184.09, 91,327.07 and 39,322.94 is: 54,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.09 : 91,327.07 = 39,322.94 : x
  2. Step 2: Convert to fraction form
    66,184.09/91,327.07 = 39,322.94/x
  3. Step 3: Cross multiply
    66,184.09x = 91,327.07 × 39,322.94
  4. Step 4: Simplify right side
    66,184.09x = 3,591,249,195.63
  5. Step 5: Solve for x
    x = 3,591,249,195.63/66,184.09
  6. Step 6: Final answer
    x = 54,261.52

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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.