Home / 87,798.03-131,665.45-37,856.67

Finding the Fourth Proportional to 87,798.03, 131,665.45 and 37,856.67

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Solution

The fourth proportional to 87,798.03, 131,665.45 and 37,856.67 is: 56,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,798.03 : 131,665.45 = 37,856.67 : x
  2. Step 2: Convert to fraction form
    87,798.03/131,665.45 = 37,856.67/x
  3. Step 3: Cross multiply
    87,798.03x = 131,665.45 × 37,856.67
  4. Step 4: Simplify right side
    87,798.03x = 4,984,415,491.05
  5. Step 5: Solve for x
    x = 4,984,415,491.05/87,798.03
  6. Step 6: Final answer
    x = 56,771.38

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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.