Home / 55,710.96-83,574.84-20,180.64

Finding the Fourth Proportional to 55,710.96, 83,574.84 and 20,180.64

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Solution

The fourth proportional to 55,710.96, 83,574.84 and 20,180.64 is: 30,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,710.96 : 83,574.84 = 20,180.64 : x
  2. Step 2: Convert to fraction form
    55,710.96/83,574.84 = 20,180.64/x
  3. Step 3: Cross multiply
    55,710.96x = 83,574.84 × 20,180.64
  4. Step 4: Simplify right side
    55,710.96x = 1,686,593,759.10
  5. Step 5: Solve for x
    x = 1,686,593,759.10/55,710.96
  6. Step 6: Final answer
    x = 30,274.00

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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.