Home / 66,344.09-91,556.58-36,130.68

Finding the Fourth Proportional to 66,344.09, 91,556.58 and 36,130.68

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Solution

The fourth proportional to 66,344.09, 91,556.58 and 36,130.68 is: 49,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.09 : 91,556.58 = 36,130.68 : x
  2. Step 2: Convert to fraction form
    66,344.09/91,556.58 = 36,130.68/x
  3. Step 3: Cross multiply
    66,344.09x = 91,556.58 × 36,130.68
  4. Step 4: Simplify right side
    66,344.09x = 3,308,001,493.87
  5. Step 5: Solve for x
    x = 3,308,001,493.87/66,344.09
  6. Step 6: Final answer
    x = 49,861.29

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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.