Home / 74,586.24-111,864.36-36,619.56

Finding the Fourth Proportional to 74,586.24, 111,864.36 and 36,619.56

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Solution

The fourth proportional to 74,586.24, 111,864.36 and 36,619.56 is: 54,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,586.24 : 111,864.36 = 36,619.56 : x
  2. Step 2: Convert to fraction form
    74,586.24/111,864.36 = 36,619.56/x
  3. Step 3: Cross multiply
    74,586.24x = 111,864.36 × 36,619.56
  4. Step 4: Simplify right side
    74,586.24x = 4,096,423,642.88
  5. Step 5: Solve for x
    x = 4,096,423,642.88/74,586.24
  6. Step 6: Final answer
    x = 54,921.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.