Home / 53,689.48-74,092.66-29,815.80

Finding the Fourth Proportional to 53,689.48, 74,092.66 and 29,815.80

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Solution

The fourth proportional to 53,689.48, 74,092.66 and 29,815.80 is: 41,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.48 : 74,092.66 = 29,815.80 : x
  2. Step 2: Convert to fraction form
    53,689.48/74,092.66 = 29,815.80/x
  3. Step 3: Cross multiply
    53,689.48x = 74,092.66 × 29,815.80
  4. Step 4: Simplify right side
    53,689.48x = 2,209,131,932.03
  5. Step 5: Solve for x
    x = 2,209,131,932.03/53,689.48
  6. Step 6: Final answer
    x = 41,146.46

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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.