Home / 68,912.24-95,109.30-42,070.40

Finding the Fourth Proportional to 68,912.24, 95,109.30 and 42,070.40

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Solution

The fourth proportional to 68,912.24, 95,109.30 and 42,070.40 is: 58,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.24 : 95,109.30 = 42,070.40 : x
  2. Step 2: Convert to fraction form
    68,912.24/95,109.30 = 42,070.40/x
  3. Step 3: Cross multiply
    68,912.24x = 95,109.30 × 42,070.40
  4. Step 4: Simplify right side
    68,912.24x = 4,001,286,294.72
  5. Step 5: Solve for x
    x = 4,001,286,294.72/68,912.24
  6. Step 6: Final answer
    x = 58,063.51

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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.