Home / 83,225.20-124,825.50-30,622.44

Finding the Fourth Proportional to 83,225.20, 124,825.50 and 30,622.44

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Solution

The fourth proportional to 83,225.20, 124,825.50 and 30,622.44 is: 45,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225.20 : 124,825.50 = 30,622.44 : x
  2. Step 2: Convert to fraction form
    83,225.20/124,825.50 = 30,622.44/x
  3. Step 3: Cross multiply
    83,225.20x = 124,825.50 × 30,622.44
  4. Step 4: Simplify right side
    83,225.20x = 3,822,461,384.22
  5. Step 5: Solve for x
    x = 3,822,461,384.22/83,225.20
  6. Step 6: Final answer
    x = 45,929.13

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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.