Home / 68,357.63-102,559.53-43,076.18

Finding the Fourth Proportional to 68,357.63, 102,559.53 and 43,076.18

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Solution

The fourth proportional to 68,357.63, 102,559.53 and 43,076.18 is: 64,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,357.63 : 102,559.53 = 43,076.18 : x
  2. Step 2: Convert to fraction form
    68,357.63/102,559.53 = 43,076.18/x
  3. Step 3: Cross multiply
    68,357.63x = 102,559.53 × 43,076.18
  4. Step 4: Simplify right side
    68,357.63x = 4,417,872,775.00
  5. Step 5: Solve for x
    x = 4,417,872,775.00/68,357.63
  6. Step 6: Final answer
    x = 64,628.82

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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.