Home / 83,873.36-115,751.81-48,072.17

Finding the Fourth Proportional to 83,873.36, 115,751.81 and 48,072.17

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Solution

The fourth proportional to 83,873.36, 115,751.81 and 48,072.17 is: 66,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,873.36 : 115,751.81 = 48,072.17 : x
  2. Step 2: Convert to fraction form
    83,873.36/115,751.81 = 48,072.17/x
  3. Step 3: Cross multiply
    83,873.36x = 115,751.81 × 48,072.17
  4. Step 4: Simplify right side
    83,873.36x = 5,564,441,097.69
  5. Step 5: Solve for x
    x = 5,564,441,097.69/83,873.36
  6. Step 6: Final answer
    x = 66,343.36

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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.