Home / 74,817.75-103,258.08-42,992.85

Finding the Fourth Proportional to 74,817.75, 103,258.08 and 42,992.85

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Solution

The fourth proportional to 74,817.75, 103,258.08 and 42,992.85 is: 59,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,817.75 : 103,258.08 = 42,992.85 : x
  2. Step 2: Convert to fraction form
    74,817.75/103,258.08 = 42,992.85/x
  3. Step 3: Cross multiply
    74,817.75x = 103,258.08 × 42,992.85
  4. Step 4: Simplify right side
    74,817.75x = 4,439,359,144.73
  5. Step 5: Solve for x
    x = 4,439,359,144.73/74,817.75
  6. Step 6: Final answer
    x = 59,335.64

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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.