Home / 53,123.24-73,303.99-30,456

Finding the Fourth Proportional to 53,123.24, 73,303.99 and 30,456

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Solution

The fourth proportional to 53,123.24, 73,303.99 and 30,456 is: 42,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.24 : 73,303.99 = 30,456 : x
  2. Step 2: Convert to fraction form
    53,123.24/73,303.99 = 30,456/x
  3. Step 3: Cross multiply
    53,123.24x = 73,303.99 × 30,456
  4. Step 4: Simplify right side
    53,123.24x = 2,232,546,243.30
  5. Step 5: Solve for x
    x = 2,232,546,243.30/53,123.24
  6. Step 6: Final answer
    x = 42,025.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.