Home / 87,335.13-120,519.86-49,095.03

Finding the Fourth Proportional to 87,335.13, 120,519.86 and 49,095.03

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Solution

The fourth proportional to 87,335.13, 120,519.86 and 49,095.03 is: 67,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.13 : 120,519.86 = 49,095.03 : x
  2. Step 2: Convert to fraction form
    87,335.13/120,519.86 = 49,095.03/x
  3. Step 3: Cross multiply
    87,335.13x = 120,519.86 × 49,095.03
  4. Step 4: Simplify right side
    87,335.13x = 5,916,925,896.82
  5. Step 5: Solve for x
    x = 5,916,925,896.82/87,335.13
  6. Step 6: Final answer
    x = 67,749.67

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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.