Home / 51,570.14-77,355.27-14,130.53

Finding the Fourth Proportional to 51,570.14, 77,355.27 and 14,130.53

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Solution

The fourth proportional to 51,570.14, 77,355.27 and 14,130.53 is: 21,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.14 : 77,355.27 = 14,130.53 : x
  2. Step 2: Convert to fraction form
    51,570.14/77,355.27 = 14,130.53/x
  3. Step 3: Cross multiply
    51,570.14x = 77,355.27 × 14,130.53
  4. Step 4: Simplify right side
    51,570.14x = 1,093,070,576.62
  5. Step 5: Solve for x
    x = 1,093,070,576.62/51,570.14
  6. Step 6: Final answer
    x = 21,195.81

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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.