Home / 56,890.68-85,335.93-53,384.64

Finding the Fourth Proportional to 56,890.68, 85,335.93 and 53,384.64

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Solution

The fourth proportional to 56,890.68, 85,335.93 and 53,384.64 is: 80,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.68 : 85,335.93 = 53,384.64 : x
  2. Step 2: Convert to fraction form
    56,890.68/85,335.93 = 53,384.64/x
  3. Step 3: Cross multiply
    56,890.68x = 85,335.93 × 53,384.64
  4. Step 4: Simplify right side
    56,890.68x = 4,555,627,902.12
  5. Step 5: Solve for x
    x = 4,555,627,902.12/56,890.68
  6. Step 6: Final answer
    x = 80,076.88

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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.