Home / 53,003.84-73,141.85-30,343.01

Finding the Fourth Proportional to 53,003.84, 73,141.85 and 30,343.01

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Solution

The fourth proportional to 53,003.84, 73,141.85 and 30,343.01 is: 41,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.84 : 73,141.85 = 30,343.01 : x
  2. Step 2: Convert to fraction form
    53,003.84/73,141.85 = 30,343.01/x
  3. Step 3: Cross multiply
    53,003.84x = 73,141.85 × 30,343.01
  4. Step 4: Simplify right side
    53,003.84x = 2,219,343,368.54
  5. Step 5: Solve for x
    x = 2,219,343,368.54/53,003.84
  6. Step 6: Final answer
    x = 41,871.37

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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.