Home / 70,701.26-97,561.46-38,869.47

Finding the Fourth Proportional to 70,701.26, 97,561.46 and 38,869.47

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Solution

The fourth proportional to 70,701.26, 97,561.46 and 38,869.47 is: 53,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.26 : 97,561.46 = 38,869.47 : x
  2. Step 2: Convert to fraction form
    70,701.26/97,561.46 = 38,869.47/x
  3. Step 3: Cross multiply
    70,701.26x = 97,561.46 × 38,869.47
  4. Step 4: Simplify right side
    70,701.26x = 3,792,162,339.80
  5. Step 5: Solve for x
    x = 3,792,162,339.80/70,701.26
  6. Step 6: Final answer
    x = 53,636.42

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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.