Home / 125,128.36-187,711.33-36,370.34

Finding the Fourth Proportional to 125,128.36, 187,711.33 and 36,370.34

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Solution

The fourth proportional to 125,128.36, 187,711.33 and 36,370.34 is: 54,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,128.36 : 187,711.33 = 36,370.34 : x
  2. Step 2: Convert to fraction form
    125,128.36/187,711.33 = 36,370.34/x
  3. Step 3: Cross multiply
    125,128.36x = 187,711.33 × 36,370.34
  4. Step 4: Simplify right side
    125,128.36x = 6,827,124,893.95
  5. Step 5: Solve for x
    x = 6,827,124,893.95/125,128.36
  6. Step 6: Final answer
    x = 54,560.97

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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.