Home / 77,476.98-116,147.43-51,126.06

Finding the Fourth Proportional to 77,476.98, 116,147.43 and 51,126.06

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Solution

The fourth proportional to 77,476.98, 116,147.43 and 51,126.06 is: 76,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,476.98 : 116,147.43 = 51,126.06 : x
  2. Step 2: Convert to fraction form
    77,476.98/116,147.43 = 51,126.06/x
  3. Step 3: Cross multiply
    77,476.98x = 116,147.43 × 51,126.06
  4. Step 4: Simplify right side
    77,476.98x = 5,938,160,475.03
  5. Step 5: Solve for x
    x = 5,938,160,475.03/77,476.98
  6. Step 6: Final answer
    x = 76,644.19

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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.