Home / 55,070.74-82,606.38-13,517.74

Finding the Fourth Proportional to 55,070.74, 82,606.38 and 13,517.74

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Solution

The fourth proportional to 55,070.74, 82,606.38 and 13,517.74 is: 20,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.74 : 82,606.38 = 13,517.74 : x
  2. Step 2: Convert to fraction form
    55,070.74/82,606.38 = 13,517.74/x
  3. Step 3: Cross multiply
    55,070.74x = 82,606.38 × 13,517.74
  4. Step 4: Simplify right side
    55,070.74x = 1,116,651,567.18
  5. Step 5: Solve for x
    x = 1,116,651,567.18/55,070.74
  6. Step 6: Final answer
    x = 20,276.68

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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.