Home / 82,451.40-123,695.24-46,929.43

Finding the Fourth Proportional to 82,451.40, 123,695.24 and 46,929.43

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Solution

The fourth proportional to 82,451.40, 123,695.24 and 46,929.43 is: 70,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451.40 : 123,695.24 = 46,929.43 : x
  2. Step 2: Convert to fraction form
    82,451.40/123,695.24 = 46,929.43/x
  3. Step 3: Cross multiply
    82,451.40x = 123,695.24 × 46,929.43
  4. Step 4: Simplify right side
    82,451.40x = 5,804,947,106.91
  5. Step 5: Solve for x
    x = 5,804,947,106.91/82,451.40
  6. Step 6: Final answer
    x = 70,404.47

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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.