Home / 70,375.26-97,116-40,160.04

Finding the Fourth Proportional to 70,375.26, 97,116 and 40,160.04

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Solution

The fourth proportional to 70,375.26, 97,116 and 40,160.04 is: 55,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.26 : 97,116 = 40,160.04 : x
  2. Step 2: Convert to fraction form
    70,375.26/97,116 = 40,160.04/x
  3. Step 3: Cross multiply
    70,375.26x = 97,116 × 40,160.04
  4. Step 4: Simplify right side
    70,375.26x = 3,900,182,444.64
  5. Step 5: Solve for x
    x = 3,900,182,444.64/70,375.26
  6. Step 6: Final answer
    x = 55,419.79

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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.