Home / 53,784.78-80,688.06-22,620

Finding the Fourth Proportional to 53,784.78, 80,688.06 and 22,620

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Solution

The fourth proportional to 53,784.78, 80,688.06 and 22,620 is: 33,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.78 : 80,688.06 = 22,620 : x
  2. Step 2: Convert to fraction form
    53,784.78/80,688.06 = 22,620/x
  3. Step 3: Cross multiply
    53,784.78x = 80,688.06 × 22,620
  4. Step 4: Simplify right side
    53,784.78x = 1,825,163,917.20
  5. Step 5: Solve for x
    x = 1,825,163,917.20/53,784.78
  6. Step 6: Final answer
    x = 33,934.58

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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.