Home / 87,518.96-120,522.07-76,028.67

Finding the Fourth Proportional to 87,518.96, 120,522.07 and 76,028.67

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Solution

The fourth proportional to 87,518.96, 120,522.07 and 76,028.67 is: 104,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,518.96 : 120,522.07 = 76,028.67 : x
  2. Step 2: Convert to fraction form
    87,518.96/120,522.07 = 76,028.67/x
  3. Step 3: Cross multiply
    87,518.96x = 120,522.07 × 76,028.67
  4. Step 4: Simplify right side
    87,518.96x = 9,163,132,497.68
  5. Step 5: Solve for x
    x = 9,163,132,497.68/87,518.96
  6. Step 6: Final answer
    x = 104,698.82

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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.