Home / 89,911.70-134,867.55-30,749.30

Finding the Fourth Proportional to 89,911.70, 134,867.55 and 30,749.30

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Solution

The fourth proportional to 89,911.70, 134,867.55 and 30,749.30 is: 46,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,911.70 : 134,867.55 = 30,749.30 : x
  2. Step 2: Convert to fraction form
    89,911.70/134,867.55 = 30,749.30/x
  3. Step 3: Cross multiply
    89,911.70x = 134,867.55 × 30,749.30
  4. Step 4: Simplify right side
    89,911.70x = 4,147,082,755.22
  5. Step 5: Solve for x
    x = 4,147,082,755.22/89,911.70
  6. Step 6: Final answer
    x = 46,123.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.