Home / 79,282.79-109,467.65-51,037.68

Finding the Fourth Proportional to 79,282.79, 109,467.65 and 51,037.68

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Solution

The fourth proportional to 79,282.79, 109,467.65 and 51,037.68 is: 70,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.79 : 109,467.65 = 51,037.68 : x
  2. Step 2: Convert to fraction form
    79,282.79/109,467.65 = 51,037.68/x
  3. Step 3: Cross multiply
    79,282.79x = 109,467.65 × 51,037.68
  4. Step 4: Simplify right side
    79,282.79x = 5,586,974,635.86
  5. Step 5: Solve for x
    x = 5,586,974,635.86/79,282.79
  6. Step 6: Final answer
    x = 70,468.95

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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.