Home / 121,285.72-181,928.58-37,042.48

Finding the Fourth Proportional to 121,285.72, 181,928.58 and 37,042.48

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Solution

The fourth proportional to 121,285.72, 181,928.58 and 37,042.48 is: 55,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.72 : 181,928.58 = 37,042.48 : x
  2. Step 2: Convert to fraction form
    121,285.72/181,928.58 = 37,042.48/x
  3. Step 3: Cross multiply
    121,285.72x = 181,928.58 × 37,042.48
  4. Step 4: Simplify right side
    121,285.72x = 6,739,085,786.08
  5. Step 5: Solve for x
    x = 6,739,085,786.08/121,285.72
  6. Step 6: Final answer
    x = 55,563.72

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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.