Home / 121,785.38-182,696.30-37,538.54

Finding the Fourth Proportional to 121,785.38, 182,696.30 and 37,538.54

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Solution

The fourth proportional to 121,785.38, 182,696.30 and 37,538.54 is: 56,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,785.38 : 182,696.30 = 37,538.54 : x
  2. Step 2: Convert to fraction form
    121,785.38/182,696.30 = 37,538.54/x
  3. Step 3: Cross multiply
    121,785.38x = 182,696.30 × 37,538.54
  4. Step 4: Simplify right side
    121,785.38x = 6,858,152,177.71
  5. Step 5: Solve for x
    x = 6,858,152,177.71/121,785.38
  6. Step 6: Final answer
    x = 56,313.43

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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.