Home / 81,553.29-112,535.97-45,736.38

Finding the Fourth Proportional to 81,553.29, 112,535.97 and 45,736.38

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Solution

The fourth proportional to 81,553.29, 112,535.97 and 45,736.38 is: 63,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,553.29 : 112,535.97 = 45,736.38 : x
  2. Step 2: Convert to fraction form
    81,553.29/112,535.97 = 45,736.38/x
  3. Step 3: Cross multiply
    81,553.29x = 112,535.97 × 45,736.38
  4. Step 4: Simplify right side
    81,553.29x = 5,146,987,699.71
  5. Step 5: Solve for x
    x = 5,146,987,699.71/81,553.29
  6. Step 6: Final answer
    x = 63,111.96

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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.