Home / 76,617.74-115,033.23-39,203.64

Finding the Fourth Proportional to 76,617.74, 115,033.23 and 39,203.64

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Solution

The fourth proportional to 76,617.74, 115,033.23 and 39,203.64 is: 58,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,617.74 : 115,033.23 = 39,203.64 : x
  2. Step 2: Convert to fraction form
    76,617.74/115,033.23 = 39,203.64/x
  3. Step 3: Cross multiply
    76,617.74x = 115,033.23 × 39,203.64
  4. Step 4: Simplify right side
    76,617.74x = 4,509,721,336.96
  5. Step 5: Solve for x
    x = 4,509,721,336.96/76,617.74
  6. Step 6: Final answer
    x = 58,860.01

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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.