Home / 53,624.52-80,421.12-20,320.56

Finding the Fourth Proportional to 53,624.52, 80,421.12 and 20,320.56

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Solution

The fourth proportional to 53,624.52, 80,421.12 and 20,320.56 is: 30,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,624.52 : 80,421.12 = 20,320.56 : x
  2. Step 2: Convert to fraction form
    53,624.52/80,421.12 = 20,320.56/x
  3. Step 3: Cross multiply
    53,624.52x = 80,421.12 × 20,320.56
  4. Step 4: Simplify right side
    53,624.52x = 1,634,202,194.23
  5. Step 5: Solve for x
    x = 1,634,202,194.23/53,624.52
  6. Step 6: Final answer
    x = 30,474.91

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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.