Home / 53,009.87-79,514.15-15,568.61

Finding the Fourth Proportional to 53,009.87, 79,514.15 and 15,568.61

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Solution

The fourth proportional to 53,009.87, 79,514.15 and 15,568.61 is: 23,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.87 : 79,514.15 = 15,568.61 : x
  2. Step 2: Convert to fraction form
    53,009.87/79,514.15 = 15,568.61/x
  3. Step 3: Cross multiply
    53,009.87x = 79,514.15 × 15,568.61
  4. Step 4: Simplify right side
    53,009.87x = 1,237,924,315.42
  5. Step 5: Solve for x
    x = 1,237,924,315.42/53,009.87
  6. Step 6: Final answer
    x = 23,352.72

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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.