Home / 81,964.22-122,904.02-37,552.91

Finding the Fourth Proportional to 81,964.22, 122,904.02 and 37,552.91

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Solution

The fourth proportional to 81,964.22, 122,904.02 and 37,552.91 is: 56,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,964.22 : 122,904.02 = 37,552.91 : x
  2. Step 2: Convert to fraction form
    81,964.22/122,904.02 = 37,552.91/x
  3. Step 3: Cross multiply
    81,964.22x = 122,904.02 × 37,552.91
  4. Step 4: Simplify right side
    81,964.22x = 4,615,403,601.70
  5. Step 5: Solve for x
    x = 4,615,403,601.70/81,964.22
  6. Step 6: Final answer
    x = 56,309.98

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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.