Home / 61,939.20-85,472.88-33,644.84

Finding the Fourth Proportional to 61,939.20, 85,472.88 and 33,644.84

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Solution

The fourth proportional to 61,939.20, 85,472.88 and 33,644.84 is: 46,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.20 : 85,472.88 = 33,644.84 : x
  2. Step 2: Convert to fraction form
    61,939.20/85,472.88 = 33,644.84/x
  3. Step 3: Cross multiply
    61,939.20x = 85,472.88 × 33,644.84
  4. Step 4: Simplify right side
    61,939.20x = 2,875,721,371.94
  5. Step 5: Solve for x
    x = 2,875,721,371.94/61,939.20
  6. Step 6: Final answer
    x = 46,428.13

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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.