Home / 86,470.53-129,696.07-23,295.32

Finding the Fourth Proportional to 86,470.53, 129,696.07 and 23,295.32

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Solution

The fourth proportional to 86,470.53, 129,696.07 and 23,295.32 is: 34,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470.53 : 129,696.07 = 23,295.32 : x
  2. Step 2: Convert to fraction form
    86,470.53/129,696.07 = 23,295.32/x
  3. Step 3: Cross multiply
    86,470.53x = 129,696.07 × 23,295.32
  4. Step 4: Simplify right side
    86,470.53x = 3,021,311,453.39
  5. Step 5: Solve for x
    x = 3,021,311,453.39/86,470.53
  6. Step 6: Final answer
    x = 34,940.36

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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.