Home / 63,231.22-87,157.73-42,806.84

Finding the Fourth Proportional to 63,231.22, 87,157.73 and 42,806.84

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Solution

The fourth proportional to 63,231.22, 87,157.73 and 42,806.84 is: 59,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.22 : 87,157.73 = 42,806.84 : x
  2. Step 2: Convert to fraction form
    63,231.22/87,157.73 = 42,806.84/x
  3. Step 3: Cross multiply
    63,231.22x = 87,157.73 × 42,806.84
  4. Step 4: Simplify right side
    63,231.22x = 3,730,947,327.78
  5. Step 5: Solve for x
    x = 3,730,947,327.78/63,231.22
  6. Step 6: Final answer
    x = 59,004.83

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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.