Home / 66,255.12-91,431.36-36,041.04

Finding the Fourth Proportional to 66,255.12, 91,431.36 and 36,041.04

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Solution

The fourth proportional to 66,255.12, 91,431.36 and 36,041.04 is: 49,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.12 : 91,431.36 = 36,041.04 : x
  2. Step 2: Convert to fraction form
    66,255.12/91,431.36 = 36,041.04/x
  3. Step 3: Cross multiply
    66,255.12x = 91,431.36 × 36,041.04
  4. Step 4: Simplify right side
    66,255.12x = 3,295,281,303.01
  5. Step 5: Solve for x
    x = 3,295,281,303.01/66,255.12
  6. Step 6: Final answer
    x = 49,736.25

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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.