Home / 53,188.62-79,796.60-19,909.16

Finding the Fourth Proportional to 53,188.62, 79,796.60 and 19,909.16

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Solution

The fourth proportional to 53,188.62, 79,796.60 and 19,909.16 is: 29,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.62 : 79,796.60 = 19,909.16 : x
  2. Step 2: Convert to fraction form
    53,188.62/79,796.60 = 19,909.16/x
  3. Step 3: Cross multiply
    53,188.62x = 79,796.60 × 19,909.16
  4. Step 4: Simplify right side
    53,188.62x = 1,588,683,077.56
  5. Step 5: Solve for x
    x = 1,588,683,077.56/53,188.62
  6. Step 6: Final answer
    x = 29,868.86

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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.