Home / 51,109.72-76,653.06-14,176.60

Finding the Fourth Proportional to 51,109.72, 76,653.06 and 14,176.60

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Solution

The fourth proportional to 51,109.72, 76,653.06 and 14,176.60 is: 21,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109.72 : 76,653.06 = 14,176.60 : x
  2. Step 2: Convert to fraction form
    51,109.72/76,653.06 = 14,176.60/x
  3. Step 3: Cross multiply
    51,109.72x = 76,653.06 × 14,176.60
  4. Step 4: Simplify right side
    51,109.72x = 1,086,679,770.40
  5. Step 5: Solve for x
    x = 1,086,679,770.40/51,109.72
  6. Step 6: Final answer
    x = 21,261.70

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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.