Home / 54,156.43-74,705.84-31,492.93

Finding the Fourth Proportional to 54,156.43, 74,705.84 and 31,492.93

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Solution

The fourth proportional to 54,156.43, 74,705.84 and 31,492.93 is: 43,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.43 : 74,705.84 = 31,492.93 : x
  2. Step 2: Convert to fraction form
    54,156.43/74,705.84 = 31,492.93/x
  3. Step 3: Cross multiply
    54,156.43x = 74,705.84 × 31,492.93
  4. Step 4: Simplify right side
    54,156.43x = 2,352,705,563.58
  5. Step 5: Solve for x
    x = 2,352,705,563.58/54,156.43
  6. Step 6: Final answer
    x = 43,442.78

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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.