Home / 86,203.44-118,953.36-50,389.29

Finding the Fourth Proportional to 86,203.44, 118,953.36 and 50,389.29

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Solution

The fourth proportional to 86,203.44, 118,953.36 and 50,389.29 is: 69,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203.44 : 118,953.36 = 50,389.29 : x
  2. Step 2: Convert to fraction form
    86,203.44/118,953.36 = 50,389.29/x
  3. Step 3: Cross multiply
    86,203.44x = 118,953.36 × 50,389.29
  4. Step 4: Simplify right side
    86,203.44x = 5,993,975,353.51
  5. Step 5: Solve for x
    x = 5,993,975,353.51/86,203.44
  6. Step 6: Final answer
    x = 69,532.90

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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.