Home / 81,693.45-122,367.96-37,357.52

Finding the Fourth Proportional to 81,693.45, 122,367.96 and 37,357.52

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Solution

The fourth proportional to 81,693.45, 122,367.96 and 37,357.52 is: 55,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,693.45 : 122,367.96 = 37,357.52 : x
  2. Step 2: Convert to fraction form
    81,693.45/122,367.96 = 37,357.52/x
  3. Step 3: Cross multiply
    81,693.45x = 122,367.96 × 37,357.52
  4. Step 4: Simplify right side
    81,693.45x = 4,571,362,901.22
  5. Step 5: Solve for x
    x = 4,571,362,901.22/81,693.45
  6. Step 6: Final answer
    x = 55,957.52

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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.