Home / 76,520.66-114,792.87-39,060.45

Finding the Fourth Proportional to 76,520.66, 114,792.87 and 39,060.45

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Solution

The fourth proportional to 76,520.66, 114,792.87 and 39,060.45 is: 58,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,520.66 : 114,792.87 = 39,060.45 : x
  2. Step 2: Convert to fraction form
    76,520.66/114,792.87 = 39,060.45/x
  3. Step 3: Cross multiply
    76,520.66x = 114,792.87 × 39,060.45
  4. Step 4: Simplify right side
    76,520.66x = 4,483,861,158.99
  5. Step 5: Solve for x
    x = 4,483,861,158.99/76,520.66
  6. Step 6: Final answer
    x = 58,596.74

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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.