Home / 61,728.66-85,185.56-33,434.35

Finding the Fourth Proportional to 61,728.66, 85,185.56 and 33,434.35

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Solution

The fourth proportional to 61,728.66, 85,185.56 and 33,434.35 is: 46,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.66 : 85,185.56 = 33,434.35 : x
  2. Step 2: Convert to fraction form
    61,728.66/85,185.56 = 33,434.35/x
  3. Step 3: Cross multiply
    61,728.66x = 85,185.56 × 33,434.35
  4. Step 4: Simplify right side
    61,728.66x = 2,848,123,698.61
  5. Step 5: Solve for x
    x = 2,848,123,698.61/61,728.66
  6. Step 6: Final answer
    x = 46,139.41

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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.