Home / 125,921.18-188,836.41-41,665.79

Finding the Fourth Proportional to 125,921.18, 188,836.41 and 41,665.79

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Solution

The fourth proportional to 125,921.18, 188,836.41 and 41,665.79 is: 62,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,921.18 : 188,836.41 = 41,665.79 : x
  2. Step 2: Convert to fraction form
    125,921.18/188,836.41 = 41,665.79/x
  3. Step 3: Cross multiply
    125,921.18x = 188,836.41 × 41,665.79
  4. Step 4: Simplify right side
    125,921.18x = 7,868,018,831.75
  5. Step 5: Solve for x
    x = 7,868,018,831.75/125,921.18
  6. Step 6: Final answer
    x = 62,483.68

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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.