Home / 55,316.96-82,975.45-13,763.96

Finding the Fourth Proportional to 55,316.96, 82,975.45 and 13,763.96

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Solution

The fourth proportional to 55,316.96, 82,975.45 and 13,763.96 is: 20,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.96 : 82,975.45 = 13,763.96 : x
  2. Step 2: Convert to fraction form
    55,316.96/82,975.45 = 13,763.96/x
  3. Step 3: Cross multiply
    55,316.96x = 82,975.45 × 13,763.96
  4. Step 4: Simplify right side
    55,316.96x = 1,142,070,325.49
  5. Step 5: Solve for x
    x = 1,142,070,325.49/55,316.96
  6. Step 6: Final answer
    x = 20,645.94

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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.