Home / 99,595.38-149,370.29-28,516.67

Finding the Fourth Proportional to 99,595.38, 149,370.29 and 28,516.67

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Solution

The fourth proportional to 99,595.38, 149,370.29 and 28,516.67 is: 42,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.38 : 149,370.29 = 28,516.67 : x
  2. Step 2: Convert to fraction form
    99,595.38/149,370.29 = 28,516.67/x
  3. Step 3: Cross multiply
    99,595.38x = 149,370.29 × 28,516.67
  4. Step 4: Simplify right side
    99,595.38x = 4,259,543,045.38
  5. Step 5: Solve for x
    x = 4,259,543,045.38/99,595.38
  6. Step 6: Final answer
    x = 42,768.48

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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.