Home / 53,656.21-74,048.92-29,783.28

Finding the Fourth Proportional to 53,656.21, 74,048.92 and 29,783.28

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Solution

The fourth proportional to 53,656.21, 74,048.92 and 29,783.28 is: 41,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,656.21 : 74,048.92 = 29,783.28 : x
  2. Step 2: Convert to fraction form
    53,656.21/74,048.92 = 29,783.28/x
  3. Step 3: Cross multiply
    53,656.21x = 74,048.92 × 29,783.28
  4. Step 4: Simplify right side
    53,656.21x = 2,205,419,347.81
  5. Step 5: Solve for x
    x = 2,205,419,347.81/53,656.21
  6. Step 6: Final answer
    x = 41,102.78

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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.