Home / 82,946.70-124,420.05-76,057.65

Finding the Fourth Proportional to 82,946.70, 124,420.05 and 76,057.65

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Solution

The fourth proportional to 82,946.70, 124,420.05 and 76,057.65 is: 114,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946.70 : 124,420.05 = 76,057.65 : x
  2. Step 2: Convert to fraction form
    82,946.70/124,420.05 = 76,057.65/x
  3. Step 3: Cross multiply
    82,946.70x = 124,420.05 × 76,057.65
  4. Step 4: Simplify right side
    82,946.70x = 9,463,096,615.88
  5. Step 5: Solve for x
    x = 9,463,096,615.88/82,946.70
  6. Step 6: Final answer
    x = 114,086.48

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1.5x scale

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.