Home / 55,725.60-83,530.80-30,727.20

Finding the Fourth Proportional to 55,725.60, 83,530.80 and 30,727.20

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Solution

The fourth proportional to 55,725.60, 83,530.80 and 30,727.20 is: 46,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.60 : 83,530.80 = 30,727.20 : x
  2. Step 2: Convert to fraction form
    55,725.60/83,530.80 = 30,727.20/x
  3. Step 3: Cross multiply
    55,725.60x = 83,530.80 × 30,727.20
  4. Step 4: Simplify right side
    55,725.60x = 2,566,667,597.76
  5. Step 5: Solve for x
    x = 2,566,667,597.76/55,725.60
  6. Step 6: Final answer
    x = 46,059.04

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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.