Home / 66,324.32-91,511.80-37,637.60

Finding the Fourth Proportional to 66,324.32, 91,511.80 and 37,637.60

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Solution

The fourth proportional to 66,324.32, 91,511.80 and 37,637.60 is: 51,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324.32 : 91,511.80 = 37,637.60 : x
  2. Step 2: Convert to fraction form
    66,324.32/91,511.80 = 37,637.60/x
  3. Step 3: Cross multiply
    66,324.32x = 91,511.80 × 37,637.60
  4. Step 4: Simplify right side
    66,324.32x = 3,444,284,523.68
  5. Step 5: Solve for x
    x = 3,444,284,523.68/66,324.32
  6. Step 6: Final answer
    x = 51,930.94

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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.