Home / 58,579.63-80,840.09-31,722.05

Finding the Fourth Proportional to 58,579.63, 80,840.09 and 31,722.05

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Solution

The fourth proportional to 58,579.63, 80,840.09 and 31,722.05 is: 43,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.63 : 80,840.09 = 31,722.05 : x
  2. Step 2: Convert to fraction form
    58,579.63/80,840.09 = 31,722.05/x
  3. Step 3: Cross multiply
    58,579.63x = 80,840.09 × 31,722.05
  4. Step 4: Simplify right side
    58,579.63x = 2,564,413,658.39
  5. Step 5: Solve for x
    x = 2,564,413,658.39/58,579.63
  6. Step 6: Final answer
    x = 43,776.54

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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.