Home / 70,835.26-97,730.72-40,203.43

Finding the Fourth Proportional to 70,835.26, 97,730.72 and 40,203.43

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Solution

The fourth proportional to 70,835.26, 97,730.72 and 40,203.43 is: 55,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.26 : 97,730.72 = 40,203.43 : x
  2. Step 2: Convert to fraction form
    70,835.26/97,730.72 = 40,203.43/x
  3. Step 3: Cross multiply
    70,835.26x = 97,730.72 × 40,203.43
  4. Step 4: Simplify right side
    70,835.26x = 3,929,109,470.70
  5. Step 5: Solve for x
    x = 3,929,109,470.70/70,835.26
  6. Step 6: Final answer
    x = 55,468.28

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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.