Home / 63,419.60-87,518.08-34,739.03

Finding the Fourth Proportional to 63,419.60, 87,518.08 and 34,739.03

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Solution

The fourth proportional to 63,419.60, 87,518.08 and 34,739.03 is: 47,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.60 : 87,518.08 = 34,739.03 : x
  2. Step 2: Convert to fraction form
    63,419.60/87,518.08 = 34,739.03/x
  3. Step 3: Cross multiply
    63,419.60x = 87,518.08 × 34,739.03
  4. Step 4: Simplify right side
    63,419.60x = 3,040,293,025.44
  5. Step 5: Solve for x
    x = 3,040,293,025.44/63,419.60
  6. Step 6: Final answer
    x = 47,939.33

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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.