Home / 55,644.45-76,775.61-32,988.75

Finding the Fourth Proportional to 55,644.45, 76,775.61 and 32,988.75

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Solution

The fourth proportional to 55,644.45, 76,775.61 and 32,988.75 is: 45,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.45 : 76,775.61 = 32,988.75 : x
  2. Step 2: Convert to fraction form
    55,644.45/76,775.61 = 32,988.75/x
  3. Step 3: Cross multiply
    55,644.45x = 76,775.61 × 32,988.75
  4. Step 4: Simplify right side
    55,644.45x = 2,532,731,404.39
  5. Step 5: Solve for x
    x = 2,532,731,404.39/55,644.45
  6. Step 6: Final answer
    x = 45,516.33

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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.