Home / 53,676.48-74,143.26-40,851.75

Finding the Fourth Proportional to 53,676.48, 74,143.26 and 40,851.75

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Solution

The fourth proportional to 53,676.48, 74,143.26 and 40,851.75 is: 56,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.48 : 74,143.26 = 40,851.75 : x
  2. Step 2: Convert to fraction form
    53,676.48/74,143.26 = 40,851.75/x
  3. Step 3: Cross multiply
    53,676.48x = 74,143.26 × 40,851.75
  4. Step 4: Simplify right side
    53,676.48x = 3,028,881,921.71
  5. Step 5: Solve for x
    x = 3,028,881,921.71/53,676.48
  6. Step 6: Final answer
    x = 56,428.48

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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.