Home / 103,983.56-155,975.37-29,114.75

Finding the Fourth Proportional to 103,983.56, 155,975.37 and 29,114.75

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Solution

The fourth proportional to 103,983.56, 155,975.37 and 29,114.75 is: 43,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983.56 : 155,975.37 = 29,114.75 : x
  2. Step 2: Convert to fraction form
    103,983.56/155,975.37 = 29,114.75/x
  3. Step 3: Cross multiply
    103,983.56x = 155,975.37 × 29,114.75
  4. Step 4: Simplify right side
    103,983.56x = 4,541,183,123.83
  5. Step 5: Solve for x
    x = 4,541,183,123.83/103,983.56
  6. Step 6: Final answer
    x = 43,672.13

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1.5x scale

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.