Home / 81,975.24-113,095.44-53,696.52

Finding the Fourth Proportional to 81,975.24, 113,095.44 and 53,696.52

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Solution

The fourth proportional to 81,975.24, 113,095.44 and 53,696.52 is: 74,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,975.24 : 113,095.44 = 53,696.52 : x
  2. Step 2: Convert to fraction form
    81,975.24/113,095.44 = 53,696.52/x
  3. Step 3: Cross multiply
    81,975.24x = 113,095.44 × 53,696.52
  4. Step 4: Simplify right side
    81,975.24x = 6,072,831,555.87
  5. Step 5: Solve for x
    x = 6,072,831,555.87/81,975.24
  6. Step 6: Final answer
    x = 74,081.29

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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.