Home / 55,905.80-77,168.30-35,792.69

Finding the Fourth Proportional to 55,905.80, 77,168.30 and 35,792.69

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Solution

The fourth proportional to 55,905.80, 77,168.30 and 35,792.69 is: 49,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.80 : 77,168.30 = 35,792.69 : x
  2. Step 2: Convert to fraction form
    55,905.80/77,168.30 = 35,792.69/x
  3. Step 3: Cross multiply
    55,905.80x = 77,168.30 × 35,792.69
  4. Step 4: Simplify right side
    55,905.80x = 2,762,060,474.92
  5. Step 5: Solve for x
    x = 2,762,060,474.92/55,905.80
  6. Step 6: Final answer
    x = 49,405.62

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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.