Home / 53,178.98-73,386.64-29,305.68

Finding the Fourth Proportional to 53,178.98, 73,386.64 and 29,305.68

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Solution

The fourth proportional to 53,178.98, 73,386.64 and 29,305.68 is: 40,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.98 : 73,386.64 = 29,305.68 : x
  2. Step 2: Convert to fraction form
    53,178.98/73,386.64 = 29,305.68/x
  3. Step 3: Cross multiply
    53,178.98x = 73,386.64 × 29,305.68
  4. Step 4: Simplify right side
    53,178.98x = 2,150,645,149.55
  5. Step 5: Solve for x
    x = 2,150,645,149.55/53,178.98
  6. Step 6: Final answer
    x = 40,441.64

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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.