Home / 61,629.21-91,998-54,155.84

Finding the Fourth Proportional to 61,629.21, 91,998 and 54,155.84

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Solution

The fourth proportional to 61,629.21, 91,998 and 54,155.84 is: 80,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,629.21 : 91,998 = 54,155.84 : x
  2. Step 2: Convert to fraction form
    61,629.21/91,998 = 54,155.84/x
  3. Step 3: Cross multiply
    61,629.21x = 91,998 × 54,155.84
  4. Step 4: Simplify right side
    61,629.21x = 4,982,228,508.33
  5. Step 5: Solve for x
    x = 4,982,228,508.33/61,629.21
  6. Step 6: Final answer
    x = 80,842.00

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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.