Home / 79,762.12-119,633.92-20,593.14

Finding the Fourth Proportional to 79,762.12, 119,633.92 and 20,593.14

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Solution

The fourth proportional to 79,762.12, 119,633.92 and 20,593.14 is: 30,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.12 : 119,633.92 = 20,593.14 : x
  2. Step 2: Convert to fraction form
    79,762.12/119,633.92 = 20,593.14/x
  3. Step 3: Cross multiply
    79,762.12x = 119,633.92 × 20,593.14
  4. Step 4: Simplify right side
    79,762.12x = 2,463,638,011.83
  5. Step 5: Solve for x
    x = 2,463,638,011.83/79,762.12
  6. Step 6: Final answer
    x = 30,887.32

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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.