Home / 95,735.36-143,289.99-70,428.14

Finding the Fourth Proportional to 95,735.36, 143,289.99 and 70,428.14

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Solution

The fourth proportional to 95,735.36, 143,289.99 and 70,428.14 is: 105,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,735.36 : 143,289.99 = 70,428.14 : x
  2. Step 2: Convert to fraction form
    95,735.36/143,289.99 = 70,428.14/x
  3. Step 3: Cross multiply
    95,735.36x = 143,289.99 × 70,428.14
  4. Step 4: Simplify right side
    95,735.36x = 10,091,647,476.32
  5. Step 5: Solve for x
    x = 10,091,647,476.32/95,735.36
  6. Step 6: Final answer
    x = 105,411.91

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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.