Home / 71,053.27-105,962.33-70,099.89

Finding the Fourth Proportional to 71,053.27, 105,962.33 and 70,099.89

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Solution

The fourth proportional to 71,053.27, 105,962.33 and 70,099.89 is: 104,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.27 : 105,962.33 = 70,099.89 : x
  2. Step 2: Convert to fraction form
    71,053.27/105,962.33 = 70,099.89/x
  3. Step 3: Cross multiply
    71,053.27x = 105,962.33 × 70,099.89
  4. Step 4: Simplify right side
    71,053.27x = 7,427,947,677.14
  5. Step 5: Solve for x
    x = 7,427,947,677.14/71,053.27
  6. Step 6: Final answer
    x = 104,540.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.