Home / 86,483.09-119,348.78-48,242.36

Finding the Fourth Proportional to 86,483.09, 119,348.78 and 48,242.36

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Solution

The fourth proportional to 86,483.09, 119,348.78 and 48,242.36 is: 66,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,483.09 : 119,348.78 = 48,242.36 : x
  2. Step 2: Convert to fraction form
    86,483.09/119,348.78 = 48,242.36/x
  3. Step 3: Cross multiply
    86,483.09x = 119,348.78 × 48,242.36
  4. Step 4: Simplify right side
    86,483.09x = 5,757,665,972.37
  5. Step 5: Solve for x
    x = 5,757,665,972.37/86,483.09
  6. Step 6: Final answer
    x = 66,575.63

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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.