Home / 82,007.10-123,010.65-46,921.95

Finding the Fourth Proportional to 82,007.10, 123,010.65 and 46,921.95

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Solution

The fourth proportional to 82,007.10, 123,010.65 and 46,921.95 is: 70,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,007.10 : 123,010.65 = 46,921.95 : x
  2. Step 2: Convert to fraction form
    82,007.10/123,010.65 = 46,921.95/x
  3. Step 3: Cross multiply
    82,007.10x = 123,010.65 × 46,921.95
  4. Step 4: Simplify right side
    82,007.10x = 5,771,899,568.77
  5. Step 5: Solve for x
    x = 5,771,899,568.77/82,007.10
  6. Step 6: Final answer
    x = 70,382.93

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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.