Home / 53,886.46-74,360.42-29,686.64

Finding the Fourth Proportional to 53,886.46, 74,360.42 and 29,686.64

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Solution

The fourth proportional to 53,886.46, 74,360.42 and 29,686.64 is: 40,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.46 : 74,360.42 = 29,686.64 : x
  2. Step 2: Convert to fraction form
    53,886.46/74,360.42 = 29,686.64/x
  3. Step 3: Cross multiply
    53,886.46x = 74,360.42 × 29,686.64
  4. Step 4: Simplify right side
    53,886.46x = 2,207,511,018.79
  5. Step 5: Solve for x
    x = 2,207,511,018.79/53,886.46
  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.