Home / 66,297.48-91,485.36-37,617.54

Finding the Fourth Proportional to 66,297.48, 91,485.36 and 37,617.54

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Solution

The fourth proportional to 66,297.48, 91,485.36 and 37,617.54 is: 51,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.48 : 91,485.36 = 37,617.54 : x
  2. Step 2: Convert to fraction form
    66,297.48/91,485.36 = 37,617.54/x
  3. Step 3: Cross multiply
    66,297.48x = 91,485.36 × 37,617.54
  4. Step 4: Simplify right side
    66,297.48x = 3,441,454,189.21
  5. Step 5: Solve for x
    x = 3,441,454,189.21/66,297.48
  6. Step 6: Final answer
    x = 51,909.28

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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.