Home / 53,566.74-80,339.18-20,275.34

Finding the Fourth Proportional to 53,566.74, 80,339.18 and 20,275.34

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Solution

The fourth proportional to 53,566.74, 80,339.18 and 20,275.34 is: 30,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,566.74 : 80,339.18 = 20,275.34 : x
  2. Step 2: Convert to fraction form
    53,566.74/80,339.18 = 20,275.34/x
  3. Step 3: Cross multiply
    53,566.74x = 80,339.18 × 20,275.34
  4. Step 4: Simplify right side
    53,566.74x = 1,628,903,686.75
  5. Step 5: Solve for x
    x = 1,628,903,686.75/53,566.74
  6. Step 6: Final answer
    x = 30,408.86

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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.