Home / 115,943.20-173,938.80-37,047.20

Finding the Fourth Proportional to 115,943.20, 173,938.80 and 37,047.20

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Solution

The fourth proportional to 115,943.20, 173,938.80 and 37,047.20 is: 55,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.20 : 173,938.80 = 37,047.20 : x
  2. Step 2: Convert to fraction form
    115,943.20/173,938.80 = 37,047.20/x
  3. Step 3: Cross multiply
    115,943.20x = 173,938.80 × 37,047.20
  4. Step 4: Simplify right side
    115,943.20x = 6,443,945,511.36
  5. Step 5: Solve for x
    x = 6,443,945,511.36/115,943.20
  6. Step 6: Final answer
    x = 55,578.47

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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.