Home / 69,370.51-95,721.04-40,679.34

Finding the Fourth Proportional to 69,370.51, 95,721.04 and 40,679.34

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Solution

The fourth proportional to 69,370.51, 95,721.04 and 40,679.34 is: 56,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.51 : 95,721.04 = 40,679.34 : x
  2. Step 2: Convert to fraction form
    69,370.51/95,721.04 = 40,679.34/x
  3. Step 3: Cross multiply
    69,370.51x = 95,721.04 × 40,679.34
  4. Step 4: Simplify right side
    69,370.51x = 3,893,868,527.92
  5. Step 5: Solve for x
    x = 3,893,868,527.92/69,370.51
  6. Step 6: Final answer
    x = 56,131.47

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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.