Home / 105,903.05-158,906.51-46,668.15

Finding the Fourth Proportional to 105,903.05, 158,906.51 and 46,668.15

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Solution

The fourth proportional to 105,903.05, 158,906.51 and 46,668.15 is: 70,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,903.05 : 158,906.51 = 46,668.15 : x
  2. Step 2: Convert to fraction form
    105,903.05/158,906.51 = 46,668.15/x
  3. Step 3: Cross multiply
    105,903.05x = 158,906.51 × 46,668.15
  4. Step 4: Simplify right side
    105,903.05x = 7,415,872,786.32
  5. Step 5: Solve for x
    x = 7,415,872,786.32/105,903.05
  6. Step 6: Final answer
    x = 70,025.11

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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.