Home / 107,314.27-160,974.45-28,428.51

Finding the Fourth Proportional to 107,314.27, 160,974.45 and 28,428.51

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Solution

The fourth proportional to 107,314.27, 160,974.45 and 28,428.51 is: 42,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,314.27 : 160,974.45 = 28,428.51 : x
  2. Step 2: Convert to fraction form
    107,314.27/160,974.45 = 28,428.51/x
  3. Step 3: Cross multiply
    107,314.27x = 160,974.45 × 28,428.51
  4. Step 4: Simplify right side
    107,314.27x = 4,576,263,761.57
  5. Step 5: Solve for x
    x = 4,576,263,761.57/107,314.27
  6. Step 6: Final answer
    x = 42,643.57

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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.