Home / 58,420.52-80,620.26-31,563.02

Finding the Fourth Proportional to 58,420.52, 80,620.26 and 31,563.02

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Solution

The fourth proportional to 58,420.52, 80,620.26 and 31,563.02 is: 43,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.52 : 80,620.26 = 31,563.02 : x
  2. Step 2: Convert to fraction form
    58,420.52/80,620.26 = 31,563.02/x
  3. Step 3: Cross multiply
    58,420.52x = 80,620.26 × 31,563.02
  4. Step 4: Simplify right side
    58,420.52x = 2,544,618,878.79
  5. Step 5: Solve for x
    x = 2,544,618,878.79/58,420.52
  6. Step 6: Final answer
    x = 43,556.94

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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.