Home / 76,399.76-114,599.34-43,104.68

Finding the Fourth Proportional to 76,399.76, 114,599.34 and 43,104.68

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Solution

The fourth proportional to 76,399.76, 114,599.34 and 43,104.68 is: 64,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,399.76 : 114,599.34 = 43,104.68 : x
  2. Step 2: Convert to fraction form
    76,399.76/114,599.34 = 43,104.68/x
  3. Step 3: Cross multiply
    76,399.76x = 114,599.34 × 43,104.68
  4. Step 4: Simplify right side
    76,399.76x = 4,939,767,878.91
  5. Step 5: Solve for x
    x = 4,939,767,878.91/76,399.76
  6. Step 6: Final answer
    x = 64,656.85

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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.