Home / 61,305.25-91,421.40-60,744.73

Finding the Fourth Proportional to 61,305.25, 91,421.40 and 60,744.73

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Solution

The fourth proportional to 61,305.25, 91,421.40 and 60,744.73 is: 90,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.25 : 91,421.40 = 60,744.73 : x
  2. Step 2: Convert to fraction form
    61,305.25/91,421.40 = 60,744.73/x
  3. Step 3: Cross multiply
    61,305.25x = 91,421.40 × 60,744.73
  4. Step 4: Simplify right side
    61,305.25x = 5,553,368,107.36
  5. Step 5: Solve for x
    x = 5,553,368,107.36/61,305.25
  6. Step 6: Final answer
    x = 90,585.52

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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.