Home / 84,059.05-115,999.90-45,818.95

Finding the Fourth Proportional to 84,059.05, 115,999.90 and 45,818.95

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Solution

The fourth proportional to 84,059.05, 115,999.90 and 45,818.95 is: 63,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,059.05 : 115,999.90 = 45,818.95 : x
  2. Step 2: Convert to fraction form
    84,059.05/115,999.90 = 45,818.95/x
  3. Step 3: Cross multiply
    84,059.05x = 115,999.90 × 45,818.95
  4. Step 4: Simplify right side
    84,059.05x = 5,314,993,618.11
  5. Step 5: Solve for x
    x = 5,314,993,618.11/84,059.05
  6. Step 6: Final answer
    x = 63,229.28

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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.