Home / 81,458.46-122,122.08-37,062.36

Finding the Fourth Proportional to 81,458.46, 122,122.08 and 37,062.36

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Solution

The fourth proportional to 81,458.46, 122,122.08 and 37,062.36 is: 55,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.46 : 122,122.08 = 37,062.36 : x
  2. Step 2: Convert to fraction form
    81,458.46/122,122.08 = 37,062.36/x
  3. Step 3: Cross multiply
    81,458.46x = 122,122.08 × 37,062.36
  4. Step 4: Simplify right side
    81,458.46x = 4,526,132,492.91
  5. Step 5: Solve for x
    x = 4,526,132,492.91/81,458.46
  6. Step 6: Final answer
    x = 55,563.69

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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.