Home / 77,336.65-115,991.07-35,206.66

Finding the Fourth Proportional to 77,336.65, 115,991.07 and 35,206.66

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Solution

The fourth proportional to 77,336.65, 115,991.07 and 35,206.66 is: 52,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.65 : 115,991.07 = 35,206.66 : x
  2. Step 2: Convert to fraction form
    77,336.65/115,991.07 = 35,206.66/x
  3. Step 3: Cross multiply
    77,336.65x = 115,991.07 × 35,206.66
  4. Step 4: Simplify right side
    77,336.65x = 4,083,658,164.53
  5. Step 5: Solve for x
    x = 4,083,658,164.53/77,336.65
  6. Step 6: Final answer
    x = 52,803.66

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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.