Home / 53,687.99-74,090.42-29,816.89

Finding the Fourth Proportional to 53,687.99, 74,090.42 and 29,816.89

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Solution

The fourth proportional to 53,687.99, 74,090.42 and 29,816.89 is: 41,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.99 : 74,090.42 = 29,816.89 : x
  2. Step 2: Convert to fraction form
    53,687.99/74,090.42 = 29,816.89/x
  3. Step 3: Cross multiply
    53,687.99x = 74,090.42 × 29,816.89
  4. Step 4: Simplify right side
    53,687.99x = 2,209,145,903.19
  5. Step 5: Solve for x
    x = 2,209,145,903.19/53,687.99
  6. Step 6: Final answer
    x = 41,147.86

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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.