Home / 75,756.08-104,504.94-57,819.95

Finding the Fourth Proportional to 75,756.08, 104,504.94 and 57,819.95

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Solution

The fourth proportional to 75,756.08, 104,504.94 and 57,819.95 is: 79,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.08 : 104,504.94 = 57,819.95 : x
  2. Step 2: Convert to fraction form
    75,756.08/104,504.94 = 57,819.95/x
  3. Step 3: Cross multiply
    75,756.08x = 104,504.94 × 57,819.95
  4. Step 4: Simplify right side
    75,756.08x = 6,042,470,405.55
  5. Step 5: Solve for x
    x = 6,042,470,405.55/75,756.08
  6. Step 6: Final answer
    x = 79,762.18

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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.