Home / 82,954.90-124,344.33-40,775.50

Finding the Fourth Proportional to 82,954.90, 124,344.33 and 40,775.50

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Solution

The fourth proportional to 82,954.90, 124,344.33 and 40,775.50 is: 61,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,954.90 : 124,344.33 = 40,775.50 : x
  2. Step 2: Convert to fraction form
    82,954.90/124,344.33 = 40,775.50/x
  3. Step 3: Cross multiply
    82,954.90x = 124,344.33 × 40,775.50
  4. Step 4: Simplify right side
    82,954.90x = 5,070,202,227.92
  5. Step 5: Solve for x
    x = 5,070,202,227.92/82,954.90
  6. Step 6: Final answer
    x = 61,119.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.