Home / 77,623.69-116,516.97-68,795.50

Finding the Fourth Proportional to 77,623.69, 116,516.97 and 68,795.50

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Solution

The fourth proportional to 77,623.69, 116,516.97 and 68,795.50 is: 103,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.69 : 116,516.97 = 68,795.50 : x
  2. Step 2: Convert to fraction form
    77,623.69/116,516.97 = 68,795.50/x
  3. Step 3: Cross multiply
    77,623.69x = 116,516.97 × 68,795.50
  4. Step 4: Simplify right side
    77,623.69x = 8,015,842,865.66
  5. Step 5: Solve for x
    x = 8,015,842,865.66/77,623.69
  6. Step 6: Final answer
    x = 103,265.42

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1.5x scale

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.