Home / 77,680.54-116,323.98-62,065.36

Finding the Fourth Proportional to 77,680.54, 116,323.98 and 62,065.36

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Solution

The fourth proportional to 77,680.54, 116,323.98 and 62,065.36 is: 92,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,680.54 : 116,323.98 = 62,065.36 : x
  2. Step 2: Convert to fraction form
    77,680.54/116,323.98 = 62,065.36/x
  3. Step 3: Cross multiply
    77,680.54x = 116,323.98 × 62,065.36
  4. Step 4: Simplify right side
    77,680.54x = 7,219,689,695.33
  5. Step 5: Solve for x
    x = 7,219,689,695.33/77,680.54
  6. Step 6: Final answer
    x = 92,940.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.