Home / 125,669.75-188,534.70-36,921.29

Finding the Fourth Proportional to 125,669.75, 188,534.70 and 36,921.29

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Solution

The fourth proportional to 125,669.75, 188,534.70 and 36,921.29 is: 55,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.75 : 188,534.70 = 36,921.29 : x
  2. Step 2: Convert to fraction form
    125,669.75/188,534.70 = 36,921.29/x
  3. Step 3: Cross multiply
    125,669.75x = 188,534.70 × 36,921.29
  4. Step 4: Simplify right side
    125,669.75x = 6,960,944,333.76
  5. Step 5: Solve for x
    x = 6,960,944,333.76/125,669.75
  6. Step 6: Final answer
    x = 55,390.77

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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.