Home / 53,214.32-79,820.94-15,774.68

Finding the Fourth Proportional to 53,214.32, 79,820.94 and 15,774.68

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Solution

The fourth proportional to 53,214.32, 79,820.94 and 15,774.68 is: 23,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.32 : 79,820.94 = 15,774.68 : x
  2. Step 2: Convert to fraction form
    53,214.32/79,820.94 = 15,774.68/x
  3. Step 3: Cross multiply
    53,214.32x = 79,820.94 × 15,774.68
  4. Step 4: Simplify right side
    53,214.32x = 1,259,149,785.80
  5. Step 5: Solve for x
    x = 1,259,149,785.80/53,214.32
  6. Step 6: Final answer
    x = 23,661.86

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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.