Home / 125,639.08-188,481.71-41,404.21

Finding the Fourth Proportional to 125,639.08, 188,481.71 and 41,404.21

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Solution

The fourth proportional to 125,639.08, 188,481.71 and 41,404.21 is: 62,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.08 : 188,481.71 = 41,404.21 : x
  2. Step 2: Convert to fraction form
    125,639.08/188,481.71 = 41,404.21/x
  3. Step 3: Cross multiply
    125,639.08x = 188,481.71 × 41,404.21
  4. Step 4: Simplify right side
    125,639.08x = 7,803,935,623.77
  5. Step 5: Solve for x
    x = 7,803,935,623.77/125,639.08
  6. Step 6: Final answer
    x = 62,113.92

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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.