Home / 55,405.64-83,108.43-13,852.64

Finding the Fourth Proportional to 55,405.64, 83,108.43 and 13,852.64

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Solution

The fourth proportional to 55,405.64, 83,108.43 and 13,852.64 is: 20,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.64 : 83,108.43 = 13,852.64 : x
  2. Step 2: Convert to fraction form
    55,405.64/83,108.43 = 13,852.64/x
  3. Step 3: Cross multiply
    55,405.64x = 83,108.43 × 13,852.64
  4. Step 4: Simplify right side
    55,405.64x = 1,151,271,161.76
  5. Step 5: Solve for x
    x = 1,151,271,161.76/55,405.64
  6. Step 6: Final answer
    x = 20,778.95

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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.