Home / 53,784.58-80,565.90-31,530.37

Finding the Fourth Proportional to 53,784.58, 80,565.90 and 31,530.37

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Solution

The fourth proportional to 53,784.58, 80,565.90 and 31,530.37 is: 47,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.58 : 80,565.90 = 31,530.37 : x
  2. Step 2: Convert to fraction form
    53,784.58/80,565.90 = 31,530.37/x
  3. Step 3: Cross multiply
    53,784.58x = 80,565.90 × 31,530.37
  4. Step 4: Simplify right side
    53,784.58x = 2,540,272,636.38
  5. Step 5: Solve for x
    x = 2,540,272,636.38/53,784.58
  6. Step 6: Final answer
    x = 47,230.50

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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.