Home / 82,957.20-124,423.65-23,786.70

Finding the Fourth Proportional to 82,957.20, 124,423.65 and 23,786.70

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Solution

The fourth proportional to 82,957.20, 124,423.65 and 23,786.70 is: 35,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,957.20 : 124,423.65 = 23,786.70 : x
  2. Step 2: Convert to fraction form
    82,957.20/124,423.65 = 23,786.70/x
  3. Step 3: Cross multiply
    82,957.20x = 124,423.65 × 23,786.70
  4. Step 4: Simplify right side
    82,957.20x = 2,959,628,035.46
  5. Step 5: Solve for x
    x = 2,959,628,035.46/82,957.20
  6. Step 6: Final answer
    x = 35,676.57

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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.