Home / 83,450.33-115,122.85-73,899.95

Finding the Fourth Proportional to 83,450.33, 115,122.85 and 73,899.95

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Solution

The fourth proportional to 83,450.33, 115,122.85 and 73,899.95 is: 101,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.33 : 115,122.85 = 73,899.95 : x
  2. Step 2: Convert to fraction form
    83,450.33/115,122.85 = 73,899.95/x
  3. Step 3: Cross multiply
    83,450.33x = 115,122.85 × 73,899.95
  4. Step 4: Simplify right side
    83,450.33x = 8,507,572,858.86
  5. Step 5: Solve for x
    x = 8,507,572,858.86/83,450.33
  6. Step 6: Final answer
    x = 101,947.74

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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.