Home / 54,539.92-81,702.96-28,261.90

Finding the Fourth Proportional to 54,539.92, 81,702.96 and 28,261.90

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Solution

The fourth proportional to 54,539.92, 81,702.96 and 28,261.90 is: 42,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.92 : 81,702.96 = 28,261.90 : x
  2. Step 2: Convert to fraction form
    54,539.92/81,702.96 = 28,261.90/x
  3. Step 3: Cross multiply
    54,539.92x = 81,702.96 × 28,261.90
  4. Step 4: Simplify right side
    54,539.92x = 2,309,080,885.22
  5. Step 5: Solve for x
    x = 2,309,080,885.22/54,539.92
  6. Step 6: Final answer
    x = 42,337.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.