Home / 86,729.28-130,102.62-23,550.36

Finding the Fourth Proportional to 86,729.28, 130,102.62 and 23,550.36

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Solution

The fourth proportional to 86,729.28, 130,102.62 and 23,550.36 is: 35,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729.28 : 130,102.62 = 23,550.36 : x
  2. Step 2: Convert to fraction form
    86,729.28/130,102.62 = 23,550.36/x
  3. Step 3: Cross multiply
    86,729.28x = 130,102.62 × 23,550.36
  4. Step 4: Simplify right side
    86,729.28x = 3,063,963,537.94
  5. Step 5: Solve for x
    x = 3,063,963,537.94/86,729.28
  6. Step 6: Final answer
    x = 35,327.90

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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.