Home / 54,468.80-81,703.20-31,097.60

Finding the Fourth Proportional to 54,468.80, 81,703.20 and 31,097.60

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Solution

The fourth proportional to 54,468.80, 81,703.20 and 31,097.60 is: 46,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,468.80 : 81,703.20 = 31,097.60 : x
  2. Step 2: Convert to fraction form
    54,468.80/81,703.20 = 31,097.60/x
  3. Step 3: Cross multiply
    54,468.80x = 81,703.20 × 31,097.60
  4. Step 4: Simplify right side
    54,468.80x = 2,540,773,432.32
  5. Step 5: Solve for x
    x = 2,540,773,432.32/54,468.80
  6. Step 6: Final answer
    x = 46,646.40

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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.