Home / 61,664.24-91,955.44-61,103.28

Finding the Fourth Proportional to 61,664.24, 91,955.44 and 61,103.28

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Solution

The fourth proportional to 61,664.24, 91,955.44 and 61,103.28 is: 91,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.24 : 91,955.44 = 61,103.28 : x
  2. Step 2: Convert to fraction form
    61,664.24/91,955.44 = 61,103.28/x
  3. Step 3: Cross multiply
    61,664.24x = 91,955.44 × 61,103.28
  4. Step 4: Simplify right side
    61,664.24x = 5,618,778,997.84
  5. Step 5: Solve for x
    x = 5,618,778,997.84/61,664.24
  6. Step 6: Final answer
    x = 91,118.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.