Home / 61,939.14-85,474.20-33,644.76

Finding the Fourth Proportional to 61,939.14, 85,474.20 and 33,644.76

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Solution

The fourth proportional to 61,939.14, 85,474.20 and 33,644.76 is: 46,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.14 : 85,474.20 = 33,644.76 : x
  2. Step 2: Convert to fraction form
    61,939.14/85,474.20 = 33,644.76/x
  3. Step 3: Cross multiply
    61,939.14x = 85,474.20 × 33,644.76
  4. Step 4: Simplify right side
    61,939.14x = 2,875,758,945.19
  5. Step 5: Solve for x
    x = 2,875,758,945.19/61,939.14
  6. Step 6: Final answer
    x = 46,428.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.