Home / 84,039.71-115,974.82-45,799.27

Finding the Fourth Proportional to 84,039.71, 115,974.82 and 45,799.27

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Solution

The fourth proportional to 84,039.71, 115,974.82 and 45,799.27 is: 63,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.71 : 115,974.82 = 45,799.27 : x
  2. Step 2: Convert to fraction form
    84,039.71/115,974.82 = 45,799.27/x
  3. Step 3: Cross multiply
    84,039.71x = 115,974.82 × 45,799.27
  4. Step 4: Simplify right side
    84,039.71x = 5,311,562,094.38
  5. Step 5: Solve for x
    x = 5,311,562,094.38/84,039.71
  6. Step 6: Final answer
    x = 63,203.00

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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.