Home / 53,203.38-73,420.40-29,329.98

Finding the Fourth Proportional to 53,203.38, 73,420.40 and 29,329.98

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Solution

The fourth proportional to 53,203.38, 73,420.40 and 29,329.98 is: 40,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.38 : 73,420.40 = 29,329.98 : x
  2. Step 2: Convert to fraction form
    53,203.38/73,420.40 = 29,329.98/x
  3. Step 3: Cross multiply
    53,203.38x = 73,420.40 × 29,329.98
  4. Step 4: Simplify right side
    53,203.38x = 2,153,418,716.94
  5. Step 5: Solve for x
    x = 2,153,418,716.94/53,203.38
  6. Step 6: Final answer
    x = 40,475.22

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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.