Home / 83,820.36-125,711.04-24,640.20

Finding the Fourth Proportional to 83,820.36, 125,711.04 and 24,640.20

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Solution

The fourth proportional to 83,820.36, 125,711.04 and 24,640.20 is: 36,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820.36 : 125,711.04 = 24,640.20 : x
  2. Step 2: Convert to fraction form
    83,820.36/125,711.04 = 24,640.20/x
  3. Step 3: Cross multiply
    83,820.36x = 125,711.04 × 24,640.20
  4. Step 4: Simplify right side
    83,820.36x = 3,097,545,167.81
  5. Step 5: Solve for x
    x = 3,097,545,167.81/83,820.36
  6. Step 6: Final answer
    x = 36,954.57

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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.