Home / 70,489.26-97,266.20-40,276.53

Finding the Fourth Proportional to 70,489.26, 97,266.20 and 40,276.53

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Solution

The fourth proportional to 70,489.26, 97,266.20 and 40,276.53 is: 55,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,489.26 : 97,266.20 = 40,276.53 : x
  2. Step 2: Convert to fraction form
    70,489.26/97,266.20 = 40,276.53/x
  3. Step 3: Cross multiply
    70,489.26x = 97,266.20 × 40,276.53
  4. Step 4: Simplify right side
    70,489.26x = 3,917,544,820.90
  5. Step 5: Solve for x
    x = 3,917,544,820.90/70,489.26
  6. Step 6: Final answer
    x = 55,576.48

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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.