Home / 86,914.25-130,455.63-41,967.28

Finding the Fourth Proportional to 86,914.25, 130,455.63 and 41,967.28

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Solution

The fourth proportional to 86,914.25, 130,455.63 and 41,967.28 is: 62,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.25 : 130,455.63 = 41,967.28 : x
  2. Step 2: Convert to fraction form
    86,914.25/130,455.63 = 41,967.28/x
  3. Step 3: Cross multiply
    86,914.25x = 130,455.63 × 41,967.28
  4. Step 4: Simplify right side
    86,914.25x = 5,474,868,114.86
  5. Step 5: Solve for x
    x = 5,474,868,114.86/86,914.25
  6. Step 6: Final answer
    x = 62,991.61

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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.