Home / 68,526.68-102,777.44-31,077.74

Finding the Fourth Proportional to 68,526.68, 102,777.44 and 31,077.74

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Solution

The fourth proportional to 68,526.68, 102,777.44 and 31,077.74 is: 46,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,526.68 : 102,777.44 = 31,077.74 : x
  2. Step 2: Convert to fraction form
    68,526.68/102,777.44 = 31,077.74/x
  3. Step 3: Cross multiply
    68,526.68x = 102,777.44 × 31,077.74
  4. Step 4: Simplify right side
    68,526.68x = 3,194,090,659.74
  5. Step 5: Solve for x
    x = 3,194,090,659.74/68,526.68
  6. Step 6: Final answer
    x = 46,610.91

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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.