Home / 118,026.72-177,057.90-39,123

Finding the Fourth Proportional to 118,026.72, 177,057.90 and 39,123

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Solution

The fourth proportional to 118,026.72, 177,057.90 and 39,123 is: 58,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.72 : 177,057.90 = 39,123 : x
  2. Step 2: Convert to fraction form
    118,026.72/177,057.90 = 39,123/x
  3. Step 3: Cross multiply
    118,026.72x = 177,057.90 × 39,123
  4. Step 4: Simplify right side
    118,026.72x = 6,927,036,221.70
  5. Step 5: Solve for x
    x = 6,927,036,221.70/118,026.72
  6. Step 6: Final answer
    x = 58,690.41

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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.