Home / 55,064-82,583.64-15,620.24

Finding the Fourth Proportional to 55,064, 82,583.64 and 15,620.24

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Solution

The fourth proportional to 55,064, 82,583.64 and 15,620.24 is: 23,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064 : 82,583.64 = 15,620.24 : x
  2. Step 2: Convert to fraction form
    55,064/82,583.64 = 15,620.24/x
  3. Step 3: Cross multiply
    55,064x = 82,583.64 × 15,620.24
  4. Step 4: Simplify right side
    55,064x = 1,289,976,276.87
  5. Step 5: Solve for x
    x = 1,289,976,276.87/55,064
  6. Step 6: Final answer
    x = 23,426.85

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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.