Home / 81,813.10-112,896.19-46,008.30

Finding the Fourth Proportional to 81,813.10, 112,896.19 and 46,008.30

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Solution

The fourth proportional to 81,813.10, 112,896.19 and 46,008.30 is: 63,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,813.10 : 112,896.19 = 46,008.30 : x
  2. Step 2: Convert to fraction form
    81,813.10/112,896.19 = 46,008.30/x
  3. Step 3: Cross multiply
    81,813.10x = 112,896.19 × 46,008.30
  4. Step 4: Simplify right side
    81,813.10x = 5,194,161,778.38
  5. Step 5: Solve for x
    x = 5,194,161,778.38/81,813.10
  6. Step 6: Final answer
    x = 63,488.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.