Home / 86,002.24-128,993.58-29,831.96

Finding the Fourth Proportional to 86,002.24, 128,993.58 and 29,831.96

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Solution

The fourth proportional to 86,002.24, 128,993.58 and 29,831.96 is: 44,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.24 : 128,993.58 = 29,831.96 : x
  2. Step 2: Convert to fraction form
    86,002.24/128,993.58 = 29,831.96/x
  3. Step 3: Cross multiply
    86,002.24x = 128,993.58 × 29,831.96
  4. Step 4: Simplify right side
    86,002.24x = 3,848,131,318.82
  5. Step 5: Solve for x
    x = 3,848,131,318.82/86,002.24
  6. Step 6: Final answer
    x = 44,744.55

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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.