Home / 104,913.92-157,417.40-54,982.16

Finding the Fourth Proportional to 104,913.92, 157,417.40 and 54,982.16

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Solution

The fourth proportional to 104,913.92, 157,417.40 and 54,982.16 is: 82,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.92 : 157,417.40 = 54,982.16 : x
  2. Step 2: Convert to fraction form
    104,913.92/157,417.40 = 54,982.16/x
  3. Step 3: Cross multiply
    104,913.92x = 157,417.40 × 54,982.16
  4. Step 4: Simplify right side
    104,913.92x = 8,655,147,611.59
  5. Step 5: Solve for x
    x = 8,655,147,611.59/104,913.92
  6. Step 6: Final answer
    x = 82,497.61

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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.