Home / 66,359.32-91,546.80-43,669.12

Finding the Fourth Proportional to 66,359.32, 91,546.80 and 43,669.12

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Solution

The fourth proportional to 66,359.32, 91,546.80 and 43,669.12 is: 60,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.32 : 91,546.80 = 43,669.12 : x
  2. Step 2: Convert to fraction form
    66,359.32/91,546.80 = 43,669.12/x
  3. Step 3: Cross multiply
    66,359.32x = 91,546.80 × 43,669.12
  4. Step 4: Simplify right side
    66,359.32x = 3,997,768,194.82
  5. Step 5: Solve for x
    x = 3,997,768,194.82/66,359.32
  6. Step 6: Final answer
    x = 60,244.26

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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.