Home / 53,003.04-73,146.11-29,131.53

Finding the Fourth Proportional to 53,003.04, 73,146.11 and 29,131.53

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Solution

The fourth proportional to 53,003.04, 73,146.11 and 29,131.53 is: 40,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.04 : 73,146.11 = 29,131.53 : x
  2. Step 2: Convert to fraction form
    53,003.04/73,146.11 = 29,131.53/x
  3. Step 3: Cross multiply
    53,003.04x = 73,146.11 × 29,131.53
  4. Step 4: Simplify right side
    53,003.04x = 2,130,858,097.85
  5. Step 5: Solve for x
    x = 2,130,858,097.85/53,003.04
  6. Step 6: Final answer
    x = 40,202.56

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1.5x scale

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.