Home / 75,788.20-104,587.50-43,975.72

Finding the Fourth Proportional to 75,788.20, 104,587.50 and 43,975.72

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Solution

The fourth proportional to 75,788.20, 104,587.50 and 43,975.72 is: 60,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.20 : 104,587.50 = 43,975.72 : x
  2. Step 2: Convert to fraction form
    75,788.20/104,587.50 = 43,975.72/x
  3. Step 3: Cross multiply
    75,788.20x = 104,587.50 × 43,975.72
  4. Step 4: Simplify right side
    75,788.20x = 4,599,310,615.50
  5. Step 5: Solve for x
    x = 4,599,310,615.50/75,788.20
  6. Step 6: Final answer
    x = 60,686.37

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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.