Home / 68,240.96-94,192.80-43,107.20

Finding the Fourth Proportional to 68,240.96, 94,192.80 and 43,107.20

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Solution

The fourth proportional to 68,240.96, 94,192.80 and 43,107.20 is: 59,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.96 : 94,192.80 = 43,107.20 : x
  2. Step 2: Convert to fraction form
    68,240.96/94,192.80 = 43,107.20/x
  3. Step 3: Cross multiply
    68,240.96x = 94,192.80 × 43,107.20
  4. Step 4: Simplify right side
    68,240.96x = 4,060,387,868.16
  5. Step 5: Solve for x
    x = 4,060,387,868.16/68,240.96
  6. Step 6: Final answer
    x = 59,500.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.