Home / 94,586.70-130,614.04-90,105.42

Finding the Fourth Proportional to 94,586.70, 130,614.04 and 90,105.42

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Solution

The fourth proportional to 94,586.70, 130,614.04 and 90,105.42 is: 124,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,586.70 : 130,614.04 = 90,105.42 : x
  2. Step 2: Convert to fraction form
    94,586.70/130,614.04 = 90,105.42/x
  3. Step 3: Cross multiply
    94,586.70x = 130,614.04 × 90,105.42
  4. Step 4: Simplify right side
    94,586.70x = 11,769,032,932.10
  5. Step 5: Solve for x
    x = 11,769,032,932.10/94,586.70
  6. Step 6: Final answer
    x = 124,425.88

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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.