Home / 82,541.54-123,830.67-29,949.86

Finding the Fourth Proportional to 82,541.54, 123,830.67 and 29,949.86

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Solution

The fourth proportional to 82,541.54, 123,830.67 and 29,949.86 is: 44,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,541.54 : 123,830.67 = 29,949.86 : x
  2. Step 2: Convert to fraction form
    82,541.54/123,830.67 = 29,949.86/x
  3. Step 3: Cross multiply
    82,541.54x = 123,830.67 × 29,949.86
  4. Step 4: Simplify right side
    82,541.54x = 3,708,711,230.21
  5. Step 5: Solve for x
    x = 3,708,711,230.21/82,541.54
  6. Step 6: Final answer
    x = 44,931.45

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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.