Home / 66,400.18-91,629.93-36,184.89

Finding the Fourth Proportional to 66,400.18, 91,629.93 and 36,184.89

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Solution

The fourth proportional to 66,400.18, 91,629.93 and 36,184.89 is: 49,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.18 : 91,629.93 = 36,184.89 : x
  2. Step 2: Convert to fraction form
    66,400.18/91,629.93 = 36,184.89/x
  3. Step 3: Cross multiply
    66,400.18x = 91,629.93 × 36,184.89
  4. Step 4: Simplify right side
    66,400.18x = 3,315,618,596.33
  5. Step 5: Solve for x
    x = 3,315,618,596.33/66,400.18
  6. Step 6: Final answer
    x = 49,933.88

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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.