Home / 103,649.10-155,506.46-37,087.75

Finding the Fourth Proportional to 103,649.10, 155,506.46 and 37,087.75

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Solution

The fourth proportional to 103,649.10, 155,506.46 and 37,087.75 is: 55,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,649.10 : 155,506.46 = 37,087.75 : x
  2. Step 2: Convert to fraction form
    103,649.10/155,506.46 = 37,087.75/x
  3. Step 3: Cross multiply
    103,649.10x = 155,506.46 × 37,087.75
  4. Step 4: Simplify right side
    103,649.10x = 5,767,384,711.87
  5. Step 5: Solve for x
    x = 5,767,384,711.87/103,649.10
  6. Step 6: Final answer
    x = 55,643.37

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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.