Home / 84,313.28-126,453.67-39,322.22

Finding the Fourth Proportional to 84,313.28, 126,453.67 and 39,322.22

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Solution

The fourth proportional to 84,313.28, 126,453.67 and 39,322.22 is: 58,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.28 : 126,453.67 = 39,322.22 : x
  2. Step 2: Convert to fraction form
    84,313.28/126,453.67 = 39,322.22/x
  3. Step 3: Cross multiply
    84,313.28x = 126,453.67 × 39,322.22
  4. Step 4: Simplify right side
    84,313.28x = 4,972,439,031.55
  5. Step 5: Solve for x
    x = 4,972,439,031.55/84,313.28
  6. Step 6: Final answer
    x = 58,975.75

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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.