Home / 53,436.80-73,742.40-29,563.52

Finding the Fourth Proportional to 53,436.80, 73,742.40 and 29,563.52

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Solution

The fourth proportional to 53,436.80, 73,742.40 and 29,563.52 is: 40,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436.80 : 73,742.40 = 29,563.52 : x
  2. Step 2: Convert to fraction form
    53,436.80/73,742.40 = 29,563.52/x
  3. Step 3: Cross multiply
    53,436.80x = 73,742.40 × 29,563.52
  4. Step 4: Simplify right side
    53,436.80x = 2,180,084,917.25
  5. Step 5: Solve for x
    x = 2,180,084,917.25/53,436.80
  6. Step 6: Final answer
    x = 40,797.45

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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.