Home / 53,830.62-80,549.10-31,654.44

Finding the Fourth Proportional to 53,830.62, 80,549.10 and 31,654.44

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Solution

The fourth proportional to 53,830.62, 80,549.10 and 31,654.44 is: 47,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.62 : 80,549.10 = 31,654.44 : x
  2. Step 2: Convert to fraction form
    53,830.62/80,549.10 = 31,654.44/x
  3. Step 3: Cross multiply
    53,830.62x = 80,549.10 × 31,654.44
  4. Step 4: Simplify right side
    53,830.62x = 2,549,736,653.00
  5. Step 5: Solve for x
    x = 2,549,736,653.00/53,830.62
  6. Step 6: Final answer
    x = 47,365.92

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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.