Home / 100,370.36-150,395.76-52,983.74

Finding the Fourth Proportional to 100,370.36, 150,395.76 and 52,983.74

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Solution

The fourth proportional to 100,370.36, 150,395.76 and 52,983.74 is: 79,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,370.36 : 150,395.76 = 52,983.74 : x
  2. Step 2: Convert to fraction form
    100,370.36/150,395.76 = 52,983.74/x
  3. Step 3: Cross multiply
    100,370.36x = 150,395.76 × 52,983.74
  4. Step 4: Simplify right side
    100,370.36x = 7,968,529,092.96
  5. Step 5: Solve for x
    x = 7,968,529,092.96/100,370.36
  6. Step 6: Final answer
    x = 79,391.26

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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.