Home / 89,500.36-123,512.50-49,211.56

Finding the Fourth Proportional to 89,500.36, 123,512.50 and 49,211.56

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Solution

The fourth proportional to 89,500.36, 123,512.50 and 49,211.56 is: 67,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.36 : 123,512.50 = 49,211.56 : x
  2. Step 2: Convert to fraction form
    89,500.36/123,512.50 = 49,211.56/x
  3. Step 3: Cross multiply
    89,500.36x = 123,512.50 × 49,211.56
  4. Step 4: Simplify right side
    89,500.36x = 6,078,242,804.50
  5. Step 5: Solve for x
    x = 6,078,242,804.50/89,500.36
  6. Step 6: Final answer
    x = 67,913.05

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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.