Home / 104,938.71-157,454.43-55,006.86

Finding the Fourth Proportional to 104,938.71, 157,454.43 and 55,006.86

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Solution

The fourth proportional to 104,938.71, 157,454.43 and 55,006.86 is: 82,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.71 : 157,454.43 = 55,006.86 : x
  2. Step 2: Convert to fraction form
    104,938.71/157,454.43 = 55,006.86/x
  3. Step 3: Cross multiply
    104,938.71x = 157,454.43 × 55,006.86
  4. Step 4: Simplify right side
    104,938.71x = 8,661,073,787.39
  5. Step 5: Solve for x
    x = 8,661,073,787.39/104,938.71
  6. Step 6: Final answer
    x = 82,534.59

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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.