Home / 55,405.85-83,108.77-13,852.85

Finding the Fourth Proportional to 55,405.85, 83,108.77 and 13,852.85

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Solution

The fourth proportional to 55,405.85, 83,108.77 and 13,852.85 is: 20,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.85 : 83,108.77 = 13,852.85 : x
  2. Step 2: Convert to fraction form
    55,405.85/83,108.77 = 13,852.85/x
  3. Step 3: Cross multiply
    55,405.85x = 83,108.77 × 13,852.85
  4. Step 4: Simplify right side
    55,405.85x = 1,151,293,082.09
  5. Step 5: Solve for x
    x = 1,151,293,082.09/55,405.85
  6. Step 6: Final answer
    x = 20,779.27

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1.5x scale

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.