Home / 84,042.08-115,974.69-45,800.82

Finding the Fourth Proportional to 84,042.08, 115,974.69 and 45,800.82

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Solution

The fourth proportional to 84,042.08, 115,974.69 and 45,800.82 is: 63,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042.08 : 115,974.69 = 45,800.82 : x
  2. Step 2: Convert to fraction form
    84,042.08/115,974.69 = 45,800.82/x
  3. Step 3: Cross multiply
    84,042.08x = 115,974.69 × 45,800.82
  4. Step 4: Simplify right side
    84,042.08x = 5,311,735,403.31
  5. Step 5: Solve for x
    x = 5,311,735,403.31/84,042.08
  6. Step 6: Final answer
    x = 63,203.28

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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.