Home / 53,086.89-79,628.57-15,647.58

Finding the Fourth Proportional to 53,086.89, 79,628.57 and 15,647.58

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Solution

The fourth proportional to 53,086.89, 79,628.57 and 15,647.58 is: 23,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.89 : 79,628.57 = 15,647.58 : x
  2. Step 2: Convert to fraction form
    53,086.89/79,628.57 = 15,647.58/x
  3. Step 3: Cross multiply
    53,086.89x = 79,628.57 × 15,647.58
  4. Step 4: Simplify right side
    53,086.89x = 1,245,994,399.80
  5. Step 5: Solve for x
    x = 1,245,994,399.80/53,086.89
  6. Step 6: Final answer
    x = 23,470.85

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1.5x scale

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.