Home / 61,939.19-85,476.07-33,644.86

Finding the Fourth Proportional to 61,939.19, 85,476.07 and 33,644.86

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Solution

The fourth proportional to 61,939.19, 85,476.07 and 33,644.86 is: 46,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.19 : 85,476.07 = 33,644.86 : x
  2. Step 2: Convert to fraction form
    61,939.19/85,476.07 = 33,644.86/x
  3. Step 3: Cross multiply
    61,939.19x = 85,476.07 × 33,644.86
  4. Step 4: Simplify right side
    61,939.19x = 2,875,830,408.50
  5. Step 5: Solve for x
    x = 2,875,830,408.50/61,939.19
  6. Step 6: Final answer
    x = 46,429.90

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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.