Home / 81,983.76-122,934.30-37,573.08

Finding the Fourth Proportional to 81,983.76, 122,934.30 and 37,573.08

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Solution

The fourth proportional to 81,983.76, 122,934.30 and 37,573.08 is: 56,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,983.76 : 122,934.30 = 37,573.08 : x
  2. Step 2: Convert to fraction form
    81,983.76/122,934.30 = 37,573.08/x
  3. Step 3: Cross multiply
    81,983.76x = 122,934.30 × 37,573.08
  4. Step 4: Simplify right side
    81,983.76x = 4,619,020,288.64
  5. Step 5: Solve for x
    x = 4,619,020,288.64/81,983.76
  6. Step 6: Final answer
    x = 56,340.67

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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.