Home / 87,749.56-131,624.23-28,585.14

Finding the Fourth Proportional to 87,749.56, 131,624.23 and 28,585.14

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Solution

The fourth proportional to 87,749.56, 131,624.23 and 28,585.14 is: 42,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.56 : 131,624.23 = 28,585.14 : x
  2. Step 2: Convert to fraction form
    87,749.56/131,624.23 = 28,585.14/x
  3. Step 3: Cross multiply
    87,749.56x = 131,624.23 × 28,585.14
  4. Step 4: Simplify right side
    87,749.56x = 3,762,497,041.94
  5. Step 5: Solve for x
    x = 3,762,497,041.94/87,749.56
  6. Step 6: Final answer
    x = 42,877.67

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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.