Home / 81,863.09-112,970.90-46,053.13

Finding the Fourth Proportional to 81,863.09, 112,970.90 and 46,053.13

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Solution

The fourth proportional to 81,863.09, 112,970.90 and 46,053.13 is: 63,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,863.09 : 112,970.90 = 46,053.13 : x
  2. Step 2: Convert to fraction form
    81,863.09/112,970.90 = 46,053.13/x
  3. Step 3: Cross multiply
    81,863.09x = 112,970.90 × 46,053.13
  4. Step 4: Simplify right side
    81,863.09x = 5,202,663,906.17
  5. Step 5: Solve for x
    x = 5,202,663,906.17/81,863.09
  6. Step 6: Final answer
    x = 63,553.23

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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.