Home / 53,450.42-80,151.93-28,485.81

Finding the Fourth Proportional to 53,450.42, 80,151.93 and 28,485.81

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Solution

The fourth proportional to 53,450.42, 80,151.93 and 28,485.81 is: 42,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.42 : 80,151.93 = 28,485.81 : x
  2. Step 2: Convert to fraction form
    53,450.42/80,151.93 = 28,485.81/x
  3. Step 3: Cross multiply
    53,450.42x = 80,151.93 × 28,485.81
  4. Step 4: Simplify right side
    53,450.42x = 2,283,192,649.11
  5. Step 5: Solve for x
    x = 2,283,192,649.11/53,450.42
  6. Step 6: Final answer
    x = 42,716.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.