Home / 66,570.09-91,844.60-43,920.33

Finding the Fourth Proportional to 66,570.09, 91,844.60 and 43,920.33

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Solution

The fourth proportional to 66,570.09, 91,844.60 and 43,920.33 is: 60,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570.09 : 91,844.60 = 43,920.33 : x
  2. Step 2: Convert to fraction form
    66,570.09/91,844.60 = 43,920.33/x
  3. Step 3: Cross multiply
    66,570.09x = 91,844.60 × 43,920.33
  4. Step 4: Simplify right side
    66,570.09x = 4,033,844,921.12
  5. Step 5: Solve for x
    x = 4,033,844,921.12/66,570.09
  6. Step 6: Final answer
    x = 60,595.46

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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.