Home / 125,939.38-188,945.83-47,035.46

Finding the Fourth Proportional to 125,939.38, 188,945.83 and 47,035.46

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Solution

The fourth proportional to 125,939.38, 188,945.83 and 47,035.46 is: 70,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.38 : 188,945.83 = 47,035.46 : x
  2. Step 2: Convert to fraction form
    125,939.38/188,945.83 = 47,035.46/x
  3. Step 3: Cross multiply
    125,939.38x = 188,945.83 × 47,035.46
  4. Step 4: Simplify right side
    125,939.38x = 8,887,154,029.13
  5. Step 5: Solve for x
    x = 8,887,154,029.13/125,939.38
  6. Step 6: Final answer
    x = 70,566.92

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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.