Home / 89,495.30-123,503.97-49,211.67

Finding the Fourth Proportional to 89,495.30, 123,503.97 and 49,211.67

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Solution

The fourth proportional to 89,495.30, 123,503.97 and 49,211.67 is: 67,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.30 : 123,503.97 = 49,211.67 : x
  2. Step 2: Convert to fraction form
    89,495.30/123,503.97 = 49,211.67/x
  3. Step 3: Cross multiply
    89,495.30x = 123,503.97 × 49,211.67
  4. Step 4: Simplify right side
    89,495.30x = 6,077,835,751.75
  5. Step 5: Solve for x
    x = 6,077,835,751.75/89,495.30
  6. Step 6: Final answer
    x = 67,912.35

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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.