Home / 86,940.03-130,458.49-46,958.21

Finding the Fourth Proportional to 86,940.03, 130,458.49 and 46,958.21

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Solution

The fourth proportional to 86,940.03, 130,458.49 and 46,958.21 is: 70,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940.03 : 130,458.49 = 46,958.21 : x
  2. Step 2: Convert to fraction form
    86,940.03/130,458.49 = 46,958.21/x
  3. Step 3: Cross multiply
    86,940.03x = 130,458.49 × 46,958.21
  4. Step 4: Simplify right side
    86,940.03x = 6,126,097,169.70
  5. Step 5: Solve for x
    x = 6,126,097,169.70/86,940.03
  6. Step 6: Final answer
    x = 70,463.48

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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.