Home / 86,958.54-130,470.66-30,796.38

Finding the Fourth Proportional to 86,958.54, 130,470.66 and 30,796.38

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Solution

The fourth proportional to 86,958.54, 130,470.66 and 30,796.38 is: 46,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,958.54 : 130,470.66 = 30,796.38 : x
  2. Step 2: Convert to fraction form
    86,958.54/130,470.66 = 30,796.38/x
  3. Step 3: Cross multiply
    86,958.54x = 130,470.66 × 30,796.38
  4. Step 4: Simplify right side
    86,958.54x = 4,018,024,024.21
  5. Step 5: Solve for x
    x = 4,018,024,024.21/86,958.54
  6. Step 6: Final answer
    x = 46,206.20

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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.