Home / 53,649.12-74,035.78-29,775.79

Finding the Fourth Proportional to 53,649.12, 74,035.78 and 29,775.79

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Solution

The fourth proportional to 53,649.12, 74,035.78 and 29,775.79 is: 41,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.12 : 74,035.78 = 29,775.79 : x
  2. Step 2: Convert to fraction form
    53,649.12/74,035.78 = 29,775.79/x
  3. Step 3: Cross multiply
    53,649.12x = 74,035.78 × 29,775.79
  4. Step 4: Simplify right side
    53,649.12x = 2,204,473,837.77
  5. Step 5: Solve for x
    x = 2,204,473,837.77/53,649.12
  6. Step 6: Final answer
    x = 41,090.59

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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.