Home / 53,057.13-73,229.24-30,411.30

Finding the Fourth Proportional to 53,057.13, 73,229.24 and 30,411.30

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Solution

The fourth proportional to 53,057.13, 73,229.24 and 30,411.30 is: 41,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.13 : 73,229.24 = 30,411.30 : x
  2. Step 2: Convert to fraction form
    53,057.13/73,229.24 = 30,411.30/x
  3. Step 3: Cross multiply
    53,057.13x = 73,229.24 × 30,411.30
  4. Step 4: Simplify right side
    53,057.13x = 2,226,996,386.41
  5. Step 5: Solve for x
    x = 2,226,996,386.41/53,057.13
  6. Step 6: Final answer
    x = 41,973.56

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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.