Home / 89,764.20-123,852.24-57,894.75

Finding the Fourth Proportional to 89,764.20, 123,852.24 and 57,894.75

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Solution

The fourth proportional to 89,764.20, 123,852.24 and 57,894.75 is: 79,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,764.20 : 123,852.24 = 57,894.75 : x
  2. Step 2: Convert to fraction form
    89,764.20/123,852.24 = 57,894.75/x
  3. Step 3: Cross multiply
    89,764.20x = 123,852.24 × 57,894.75
  4. Step 4: Simplify right side
    89,764.20x = 7,170,394,471.74
  5. Step 5: Solve for x
    x = 7,170,394,471.74/89,764.20
  6. Step 6: Final answer
    x = 79,880.34

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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.