Home / 68,900.40-95,057.04-43,399.92

Finding the Fourth Proportional to 68,900.40, 95,057.04 and 43,399.92

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Solution

The fourth proportional to 68,900.40, 95,057.04 and 43,399.92 is: 59,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.40 : 95,057.04 = 43,399.92 : x
  2. Step 2: Convert to fraction form
    68,900.40/95,057.04 = 43,399.92/x
  3. Step 3: Cross multiply
    68,900.40x = 95,057.04 × 43,399.92
  4. Step 4: Simplify right side
    68,900.40x = 4,125,467,931.44
  5. Step 5: Solve for x
    x = 4,125,467,931.44/68,900.40
  6. Step 6: Final answer
    x = 59,875.82

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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.