Home / 55,582.08-76,684.23-31,691.58

Finding the Fourth Proportional to 55,582.08, 76,684.23 and 31,691.58

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Solution

The fourth proportional to 55,582.08, 76,684.23 and 31,691.58 is: 43,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.08 : 76,684.23 = 31,691.58 : x
  2. Step 2: Convert to fraction form
    55,582.08/76,684.23 = 31,691.58/x
  3. Step 3: Cross multiply
    55,582.08x = 76,684.23 × 31,691.58
  4. Step 4: Simplify right side
    55,582.08x = 2,430,244,409.78
  5. Step 5: Solve for x
    x = 2,430,244,409.78/55,582.08
  6. Step 6: Final answer
    x = 43,723.52

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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.