Home / 72,036.68-108,048.53-25,286.72

Finding the Fourth Proportional to 72,036.68, 108,048.53 and 25,286.72

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Solution

The fourth proportional to 72,036.68, 108,048.53 and 25,286.72 is: 37,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036.68 : 108,048.53 = 25,286.72 : x
  2. Step 2: Convert to fraction form
    72,036.68/108,048.53 = 25,286.72/x
  3. Step 3: Cross multiply
    72,036.68x = 108,048.53 × 25,286.72
  4. Step 4: Simplify right side
    72,036.68x = 2,732,192,447.50
  5. Step 5: Solve for x
    x = 2,732,192,447.50/72,036.68
  6. Step 6: Final answer
    x = 37,927.80

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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.