Home / 40,476.72-60,678.12-34,276.56

Finding the Fourth Proportional to 40,476.72, 60,678.12 and 34,276.56

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Solution

The fourth proportional to 40,476.72, 60,678.12 and 34,276.56 is: 51,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476.72 : 60,678.12 = 34,276.56 : x
  2. Step 2: Convert to fraction form
    40,476.72/60,678.12 = 34,276.56/x
  3. Step 3: Cross multiply
    40,476.72x = 60,678.12 × 34,276.56
  4. Step 4: Simplify right side
    40,476.72x = 2,079,837,220.87
  5. Step 5: Solve for x
    x = 2,079,837,220.87/40,476.72
  6. Step 6: Final answer
    x = 51,383.54

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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.