Home / 216,513.12-324,769.83-58,741.56

Finding the Fourth Proportional to 216,513.12, 324,769.83 and 58,741.56

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Solution

The fourth proportional to 216,513.12, 324,769.83 and 58,741.56 is: 88,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,513.12 : 324,769.83 = 58,741.56 : x
  2. Step 2: Convert to fraction form
    216,513.12/324,769.83 = 58,741.56/x
  3. Step 3: Cross multiply
    216,513.12x = 324,769.83 × 58,741.56
  4. Step 4: Simplify right side
    216,513.12x = 19,077,484,831.29
  5. Step 5: Solve for x
    x = 19,077,484,831.29/216,513.12
  6. Step 6: Final answer
    x = 88,112.38

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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.