Home / 115,811.54-173,680.40-36,907.31

Finding the Fourth Proportional to 115,811.54, 173,680.40 and 36,907.31

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Solution

The fourth proportional to 115,811.54, 173,680.40 and 36,907.31 is: 55,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,811.54 : 173,680.40 = 36,907.31 : x
  2. Step 2: Convert to fraction form
    115,811.54/173,680.40 = 36,907.31/x
  3. Step 3: Cross multiply
    115,811.54x = 173,680.40 × 36,907.31
  4. Step 4: Simplify right side
    115,811.54x = 6,410,076,890.19
  5. Step 5: Solve for x
    x = 6,410,076,890.19/115,811.54
  6. Step 6: Final answer
    x = 55,349.21

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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.