Home / 53,682.08-74,156-51,057.76

Finding the Fourth Proportional to 53,682.08, 74,156 and 51,057.76

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Solution

The fourth proportional to 53,682.08, 74,156 and 51,057.76 is: 70,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.08 : 74,156 = 51,057.76 : x
  2. Step 2: Convert to fraction form
    53,682.08/74,156 = 51,057.76/x
  3. Step 3: Cross multiply
    53,682.08x = 74,156 × 51,057.76
  4. Step 4: Simplify right side
    53,682.08x = 3,786,239,250.56
  5. Step 5: Solve for x
    x = 3,786,239,250.56/53,682.08
  6. Step 6: Final answer
    x = 70,530.79

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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.