Home / 53,890.44-74,365.86-29,686.66

Finding the Fourth Proportional to 53,890.44, 74,365.86 and 29,686.66

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Solution

The fourth proportional to 53,890.44, 74,365.86 and 29,686.66 is: 40,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.44 : 74,365.86 = 29,686.66 : x
  2. Step 2: Convert to fraction form
    53,890.44/74,365.86 = 29,686.66/x
  3. Step 3: Cross multiply
    53,890.44x = 74,365.86 × 29,686.66
  4. Step 4: Simplify right side
    53,890.44x = 2,207,674,001.43
  5. Step 5: Solve for x
    x = 2,207,674,001.43/53,890.44
  6. Step 6: Final answer
    x = 40,965.97

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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.