Home / 52,983.68-79,475.55-13,540.83

Finding the Fourth Proportional to 52,983.68, 79,475.55 and 13,540.83

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Solution

The fourth proportional to 52,983.68, 79,475.55 and 13,540.83 is: 20,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,983.68 : 79,475.55 = 13,540.83 : x
  2. Step 2: Convert to fraction form
    52,983.68/79,475.55 = 13,540.83/x
  3. Step 3: Cross multiply
    52,983.68x = 79,475.55 × 13,540.83
  4. Step 4: Simplify right side
    52,983.68x = 1,076,164,911.71
  5. Step 5: Solve for x
    x = 1,076,164,911.71/52,983.68
  6. Step 6: Final answer
    x = 20,311.25

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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.