Home / 76,475.54-114,528.72-45,993.02

Finding the Fourth Proportional to 76,475.54, 114,528.72 and 45,993.02

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Solution

The fourth proportional to 76,475.54, 114,528.72 and 45,993.02 is: 68,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,475.54 : 114,528.72 = 45,993.02 : x
  2. Step 2: Convert to fraction form
    76,475.54/114,528.72 = 45,993.02/x
  3. Step 3: Cross multiply
    76,475.54x = 114,528.72 × 45,993.02
  4. Step 4: Simplify right side
    76,475.54x = 5,267,521,136.89
  5. Step 5: Solve for x
    x = 5,267,521,136.89/76,475.54
  6. Step 6: Final answer
    x = 68,878.51

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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.