Home / 55,720.40-83,586-16,276.64

Finding the Fourth Proportional to 55,720.40, 83,586 and 16,276.64

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Solution

The fourth proportional to 55,720.40, 83,586 and 16,276.64 is: 24,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.40 : 83,586 = 16,276.64 : x
  2. Step 2: Convert to fraction form
    55,720.40/83,586 = 16,276.64/x
  3. Step 3: Cross multiply
    55,720.40x = 83,586 × 16,276.64
  4. Step 4: Simplify right side
    55,720.40x = 1,360,499,231.04
  5. Step 5: Solve for x
    x = 1,360,499,231.04/55,720.40
  6. Step 6: Final answer
    x = 24,416.54

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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.