Home / 53,128.14-73,313.96-30,468.08

Finding the Fourth Proportional to 53,128.14, 73,313.96 and 30,468.08

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Solution

The fourth proportional to 53,128.14, 73,313.96 and 30,468.08 is: 42,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.14 : 73,313.96 = 30,468.08 : x
  2. Step 2: Convert to fraction form
    53,128.14/73,313.96 = 30,468.08/x
  3. Step 3: Cross multiply
    53,128.14x = 73,313.96 × 30,468.08
  4. Step 4: Simplify right side
    53,128.14x = 2,233,735,800.72
  5. Step 5: Solve for x
    x = 2,233,735,800.72/53,128.14
  6. Step 6: Final answer
    x = 42,044.31

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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.