Home / 81,508.34-122,263.79-37,133.30

Finding the Fourth Proportional to 81,508.34, 122,263.79 and 37,133.30

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Solution

The fourth proportional to 81,508.34, 122,263.79 and 37,133.30 is: 55,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.34 : 122,263.79 = 37,133.30 : x
  2. Step 2: Convert to fraction form
    81,508.34/122,263.79 = 37,133.30/x
  3. Step 3: Cross multiply
    81,508.34x = 122,263.79 × 37,133.30
  4. Step 4: Simplify right side
    81,508.34x = 4,540,057,993.21
  5. Step 5: Solve for x
    x = 4,540,057,993.21/81,508.34
  6. Step 6: Final answer
    x = 55,700.53

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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.