Home / 87,657.24-120,959.69-48,892.67

Finding the Fourth Proportional to 87,657.24, 120,959.69 and 48,892.67

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Solution

The fourth proportional to 87,657.24, 120,959.69 and 48,892.67 is: 67,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657.24 : 120,959.69 = 48,892.67 : x
  2. Step 2: Convert to fraction form
    87,657.24/120,959.69 = 48,892.67/x
  3. Step 3: Cross multiply
    87,657.24x = 120,959.69 × 48,892.67
  4. Step 4: Simplify right side
    87,657.24x = 5,914,042,206.47
  5. Step 5: Solve for x
    x = 5,914,042,206.47/87,657.24
  6. Step 6: Final answer
    x = 67,467.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.