Home / 66,299.04-91,485.78-37,609.56

Finding the Fourth Proportional to 66,299.04, 91,485.78 and 37,609.56

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Solution

The fourth proportional to 66,299.04, 91,485.78 and 37,609.56 is: 51,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.04 : 91,485.78 = 37,609.56 : x
  2. Step 2: Convert to fraction form
    66,299.04/91,485.78 = 37,609.56/x
  3. Step 3: Cross multiply
    66,299.04x = 91,485.78 × 37,609.56
  4. Step 4: Simplify right side
    66,299.04x = 3,440,739,932.06
  5. Step 5: Solve for x
    x = 3,440,739,932.06/66,299.04
  6. Step 6: Final answer
    x = 51,897.28

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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.