Home / 55,015.70-82,510.26-25,405.06

Finding the Fourth Proportional to 55,015.70, 82,510.26 and 25,405.06

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Solution

The fourth proportional to 55,015.70, 82,510.26 and 25,405.06 is: 38,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.70 : 82,510.26 = 25,405.06 : x
  2. Step 2: Convert to fraction form
    55,015.70/82,510.26 = 25,405.06/x
  3. Step 3: Cross multiply
    55,015.70x = 82,510.26 × 25,405.06
  4. Step 4: Simplify right side
    55,015.70x = 2,096,178,105.92
  5. Step 5: Solve for x
    x = 2,096,178,105.92/55,015.70
  6. Step 6: Final answer
    x = 38,101.45

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1.5x scale

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.