Home / 89,452.81-123,446.13-49,170.28

Finding the Fourth Proportional to 89,452.81, 123,446.13 and 49,170.28

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Solution

The fourth proportional to 89,452.81, 123,446.13 and 49,170.28 is: 67,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.81 : 123,446.13 = 49,170.28 : x
  2. Step 2: Convert to fraction form
    89,452.81/123,446.13 = 49,170.28/x
  3. Step 3: Cross multiply
    89,452.81x = 123,446.13 × 49,170.28
  4. Step 4: Simplify right side
    89,452.81x = 6,069,880,777.02
  5. Step 5: Solve for x
    x = 6,069,880,777.02/89,452.81
  6. Step 6: Final answer
    x = 67,855.67

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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.