Home / 86,564.16-129,735.68-49,096.64

Finding the Fourth Proportional to 86,564.16, 129,735.68 and 49,096.64

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Solution

The fourth proportional to 86,564.16, 129,735.68 and 49,096.64 is: 73,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.16 : 129,735.68 = 49,096.64 : x
  2. Step 2: Convert to fraction form
    86,564.16/129,735.68 = 49,096.64/x
  3. Step 3: Cross multiply
    86,564.16x = 129,735.68 × 49,096.64
  4. Step 4: Simplify right side
    86,564.16x = 6,369,585,976.12
  5. Step 5: Solve for x
    x = 6,369,585,976.12/86,564.16
  6. Step 6: Final answer
    x = 73,582.25

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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.