Home / 76,579.63-114,829.95-34,423.68

Finding the Fourth Proportional to 76,579.63, 114,829.95 and 34,423.68

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Solution

The fourth proportional to 76,579.63, 114,829.95 and 34,423.68 is: 51,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,579.63 : 114,829.95 = 34,423.68 : x
  2. Step 2: Convert to fraction form
    76,579.63/114,829.95 = 34,423.68/x
  3. Step 3: Cross multiply
    76,579.63x = 114,829.95 × 34,423.68
  4. Step 4: Simplify right side
    76,579.63x = 3,952,870,012.92
  5. Step 5: Solve for x
    x = 3,952,870,012.92/76,579.63
  6. Step 6: Final answer
    x = 51,617.78

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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.