Home / 53,682.28-74,083.40-29,809.35

Finding the Fourth Proportional to 53,682.28, 74,083.40 and 29,809.35

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Solution

The fourth proportional to 53,682.28, 74,083.40 and 29,809.35 is: 41,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.28 : 74,083.40 = 29,809.35 : x
  2. Step 2: Convert to fraction form
    53,682.28/74,083.40 = 29,809.35/x
  3. Step 3: Cross multiply
    53,682.28x = 74,083.40 × 29,809.35
  4. Step 4: Simplify right side
    53,682.28x = 2,208,377,999.79
  5. Step 5: Solve for x
    x = 2,208,377,999.79/53,682.28
  6. Step 6: Final answer
    x = 41,137.93

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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.