Home / 79,190.14-109,284.16-45,197.96

Finding the Fourth Proportional to 79,190.14, 109,284.16 and 45,197.96

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Solution

The fourth proportional to 79,190.14, 109,284.16 and 45,197.96 is: 62,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.14 : 109,284.16 = 45,197.96 : x
  2. Step 2: Convert to fraction form
    79,190.14/109,284.16 = 45,197.96/x
  3. Step 3: Cross multiply
    79,190.14x = 109,284.16 × 45,197.96
  4. Step 4: Simplify right side
    79,190.14x = 4,939,421,092.31
  5. Step 5: Solve for x
    x = 4,939,421,092.31/79,190.14
  6. Step 6: Final answer
    x = 62,374.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.