Home / 56,401.31-77,936.45-53,668.37

Finding the Fourth Proportional to 56,401.31, 77,936.45 and 53,668.37

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Solution

The fourth proportional to 56,401.31, 77,936.45 and 53,668.37 is: 74,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.31 : 77,936.45 = 53,668.37 : x
  2. Step 2: Convert to fraction form
    56,401.31/77,936.45 = 53,668.37/x
  3. Step 3: Cross multiply
    56,401.31x = 77,936.45 × 53,668.37
  4. Step 4: Simplify right side
    56,401.31x = 4,182,721,577.06
  5. Step 5: Solve for x
    x = 4,182,721,577.06/56,401.31
  6. Step 6: Final answer
    x = 74,160.01

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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.