Home / 61,187.22-84,439.65-34,331.67

Finding the Fourth Proportional to 61,187.22, 84,439.65 and 34,331.67

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Solution

The fourth proportional to 61,187.22, 84,439.65 and 34,331.67 is: 47,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.22 : 84,439.65 = 34,331.67 : x
  2. Step 2: Convert to fraction form
    61,187.22/84,439.65 = 34,331.67/x
  3. Step 3: Cross multiply
    61,187.22x = 84,439.65 × 34,331.67
  4. Step 4: Simplify right side
    61,187.22x = 2,898,954,198.72
  5. Step 5: Solve for x
    x = 2,898,954,198.72/61,187.22
  6. Step 6: Final answer
    x = 47,378.43

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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.