Home / 55,286.14-76,294.69-30,135.64

Finding the Fourth Proportional to 55,286.14, 76,294.69 and 30,135.64

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Solution

The fourth proportional to 55,286.14, 76,294.69 and 30,135.64 is: 41,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286.14 : 76,294.69 = 30,135.64 : x
  2. Step 2: Convert to fraction form
    55,286.14/76,294.69 = 30,135.64/x
  3. Step 3: Cross multiply
    55,286.14x = 76,294.69 × 30,135.64
  4. Step 4: Simplify right side
    55,286.14x = 2,299,189,311.75
  5. Step 5: Solve for x
    x = 2,299,189,311.75/55,286.14
  6. Step 6: Final answer
    x = 41,587.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.