Home / 66,334.04-91,571.54-39,101.16

Finding the Fourth Proportional to 66,334.04, 91,571.54 and 39,101.16

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Solution

The fourth proportional to 66,334.04, 91,571.54 and 39,101.16 is: 53,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.04 : 91,571.54 = 39,101.16 : x
  2. Step 2: Convert to fraction form
    66,334.04/91,571.54 = 39,101.16/x
  3. Step 3: Cross multiply
    66,334.04x = 91,571.54 × 39,101.16
  4. Step 4: Simplify right side
    66,334.04x = 3,580,552,922.21
  5. Step 5: Solve for x
    x = 3,580,552,922.21/66,334.04
  6. Step 6: Final answer
    x = 53,977.61

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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.