Home / 98,433.63-147,725.78-51,087.51

Finding the Fourth Proportional to 98,433.63, 147,725.78 and 51,087.51

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Solution

The fourth proportional to 98,433.63, 147,725.78 and 51,087.51 is: 76,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.63 : 147,725.78 = 51,087.51 : x
  2. Step 2: Convert to fraction form
    98,433.63/147,725.78 = 51,087.51/x
  3. Step 3: Cross multiply
    98,433.63x = 147,725.78 × 51,087.51
  4. Step 4: Simplify right side
    98,433.63x = 7,546,942,007.57
  5. Step 5: Solve for x
    x = 7,546,942,007.57/98,433.63
  6. Step 6: Final answer
    x = 76,670.36

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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.