Home / 53,686.44-74,090.61-29,813.28

Finding the Fourth Proportional to 53,686.44, 74,090.61 and 29,813.28

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Solution

The fourth proportional to 53,686.44, 74,090.61 and 29,813.28 is: 41,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.44 : 74,090.61 = 29,813.28 : x
  2. Step 2: Convert to fraction form
    53,686.44/74,090.61 = 29,813.28/x
  3. Step 3: Cross multiply
    53,686.44x = 74,090.61 × 29,813.28
  4. Step 4: Simplify right side
    53,686.44x = 2,208,884,101.30
  5. Step 5: Solve for x
    x = 2,208,884,101.30/53,686.44
  6. Step 6: Final answer
    x = 41,144.17

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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.