Home / 53,654.87-74,043.72-29,781.54

Finding the Fourth Proportional to 53,654.87, 74,043.72 and 29,781.54

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Solution

The fourth proportional to 53,654.87, 74,043.72 and 29,781.54 is: 41,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.87 : 74,043.72 = 29,781.54 : x
  2. Step 2: Convert to fraction form
    53,654.87/74,043.72 = 29,781.54/x
  3. Step 3: Cross multiply
    53,654.87x = 74,043.72 × 29,781.54
  4. Step 4: Simplify right side
    53,654.87x = 2,205,136,008.93
  5. Step 5: Solve for x
    x = 2,205,136,008.93/53,654.87
  6. Step 6: Final answer
    x = 41,098.52

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1.5x scale

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.