Home / 58,231.68-87,285.23-30,123.43

Finding the Fourth Proportional to 58,231.68, 87,285.23 and 30,123.43

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Solution

The fourth proportional to 58,231.68, 87,285.23 and 30,123.43 is: 45,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,231.68 : 87,285.23 = 30,123.43 : x
  2. Step 2: Convert to fraction form
    58,231.68/87,285.23 = 30,123.43/x
  3. Step 3: Cross multiply
    58,231.68x = 87,285.23 × 30,123.43
  4. Step 4: Simplify right side
    58,231.68x = 2,629,330,260.07
  5. Step 5: Solve for x
    x = 2,629,330,260.07/58,231.68
  6. Step 6: Final answer
    x = 45,152.92

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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.