Home / 79,932.96-119,767.68-51,851.52

Finding the Fourth Proportional to 79,932.96, 119,767.68 and 51,851.52

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Solution

The fourth proportional to 79,932.96, 119,767.68 and 51,851.52 is: 77,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,932.96 : 119,767.68 = 51,851.52 : x
  2. Step 2: Convert to fraction form
    79,932.96/119,767.68 = 51,851.52/x
  3. Step 3: Cross multiply
    79,932.96x = 119,767.68 × 51,851.52
  4. Step 4: Simplify right side
    79,932.96x = 6,210,136,254.87
  5. Step 5: Solve for x
    x = 6,210,136,254.87/79,932.96
  6. Step 6: Final answer
    x = 77,691.81

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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.