Home / 80,790.93-111,339.72-58,090.50

Finding the Fourth Proportional to 80,790.93, 111,339.72 and 58,090.50

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Solution

The fourth proportional to 80,790.93, 111,339.72 and 58,090.50 is: 80,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,790.93 : 111,339.72 = 58,090.50 : x
  2. Step 2: Convert to fraction form
    80,790.93/111,339.72 = 58,090.50/x
  3. Step 3: Cross multiply
    80,790.93x = 111,339.72 × 58,090.50
  4. Step 4: Simplify right side
    80,790.93x = 6,467,780,004.66
  5. Step 5: Solve for x
    x = 6,467,780,004.66/80,790.93
  6. Step 6: Final answer
    x = 80,055.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.