Home / 82,316.39-123,450.08-34,930.71

Finding the Fourth Proportional to 82,316.39, 123,450.08 and 34,930.71

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Solution

The fourth proportional to 82,316.39, 123,450.08 and 34,930.71 is: 52,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,316.39 : 123,450.08 = 34,930.71 : x
  2. Step 2: Convert to fraction form
    82,316.39/123,450.08 = 34,930.71/x
  3. Step 3: Cross multiply
    82,316.39x = 123,450.08 × 34,930.71
  4. Step 4: Simplify right side
    82,316.39x = 4,312,198,769.30
  5. Step 5: Solve for x
    x = 4,312,198,769.30/82,316.39
  6. Step 6: Final answer
    x = 52,385.67

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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.