Home / 55,841.13-83,725.11-20,295.90

Finding the Fourth Proportional to 55,841.13, 83,725.11 and 20,295.90

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Solution

The fourth proportional to 55,841.13, 83,725.11 and 20,295.90 is: 30,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.13 : 83,725.11 = 20,295.90 : x
  2. Step 2: Convert to fraction form
    55,841.13/83,725.11 = 20,295.90/x
  3. Step 3: Cross multiply
    55,841.13x = 83,725.11 × 20,295.90
  4. Step 4: Simplify right side
    55,841.13x = 1,699,276,460.05
  5. Step 5: Solve for x
    x = 1,699,276,460.05/55,841.13
  6. Step 6: Final answer
    x = 30,430.55

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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.