Home / 53,851.48-74,313.30-29,977.36

Finding the Fourth Proportional to 53,851.48, 74,313.30 and 29,977.36

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Solution

The fourth proportional to 53,851.48, 74,313.30 and 29,977.36 is: 41,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.48 : 74,313.30 = 29,977.36 : x
  2. Step 2: Convert to fraction form
    53,851.48/74,313.30 = 29,977.36/x
  3. Step 3: Cross multiply
    53,851.48x = 74,313.30 × 29,977.36
  4. Step 4: Simplify right side
    53,851.48x = 2,227,716,546.89
  5. Step 5: Solve for x
    x = 2,227,716,546.89/53,851.48
  6. Step 6: Final answer
    x = 41,367.79

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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.