Home / 83,019.99-124,516.63-23,842.20

Finding the Fourth Proportional to 83,019.99, 124,516.63 and 23,842.20

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Solution

The fourth proportional to 83,019.99, 124,516.63 and 23,842.20 is: 35,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,019.99 : 124,516.63 = 23,842.20 : x
  2. Step 2: Convert to fraction form
    83,019.99/124,516.63 = 23,842.20/x
  3. Step 3: Cross multiply
    83,019.99x = 124,516.63 × 23,842.20
  4. Step 4: Simplify right side
    83,019.99x = 2,968,750,758.41
  5. Step 5: Solve for x
    x = 2,968,750,758.41/83,019.99
  6. Step 6: Final answer
    x = 35,759.47

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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.