Home / 89,376.57-123,340.68-49,091.27

Finding the Fourth Proportional to 89,376.57, 123,340.68 and 49,091.27

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Solution

The fourth proportional to 89,376.57, 123,340.68 and 49,091.27 is: 67,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,376.57 : 123,340.68 = 49,091.27 : x
  2. Step 2: Convert to fraction form
    89,376.57/123,340.68 = 49,091.27/x
  3. Step 3: Cross multiply
    89,376.57x = 123,340.68 × 49,091.27
  4. Step 4: Simplify right side
    89,376.57x = 6,054,950,378.41
  5. Step 5: Solve for x
    x = 6,054,950,378.41/89,376.57
  6. Step 6: Final answer
    x = 67,746.51

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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.