Home / 85,000.38-127,458.24-49,473.51

Finding the Fourth Proportional to 85,000.38, 127,458.24 and 49,473.51

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Solution

The fourth proportional to 85,000.38, 127,458.24 and 49,473.51 is: 74,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,000.38 : 127,458.24 = 49,473.51 : x
  2. Step 2: Convert to fraction form
    85,000.38/127,458.24 = 49,473.51/x
  3. Step 3: Cross multiply
    85,000.38x = 127,458.24 × 49,473.51
  4. Step 4: Simplify right side
    85,000.38x = 6,305,806,511.22
  5. Step 5: Solve for x
    x = 6,305,806,511.22/85,000.38
  6. Step 6: Final answer
    x = 74,185.63

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1.5x scale

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.