Home / 58,421.79-80,621.97-31,564.22

Finding the Fourth Proportional to 58,421.79, 80,621.97 and 31,564.22

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Solution

The fourth proportional to 58,421.79, 80,621.97 and 31,564.22 is: 43,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.79 : 80,621.97 = 31,564.22 : x
  2. Step 2: Convert to fraction form
    58,421.79/80,621.97 = 31,564.22/x
  3. Step 3: Cross multiply
    58,421.79x = 80,621.97 × 31,564.22
  4. Step 4: Simplify right side
    58,421.79x = 2,544,769,194.80
  5. Step 5: Solve for x
    x = 2,544,769,194.80/58,421.79
  6. Step 6: Final answer
    x = 43,558.56

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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.