Home / 76,786.02-115,100.12-29,390.00

Finding the Fourth Proportional to 76,786.02, 115,100.12 and 29,390.00

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Solution

The fourth proportional to 76,786.02, 115,100.12 and 29,390.00 is: 44,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,786.02 : 115,100.12 = 29,390.00 : x
  2. Step 2: Convert to fraction form
    76,786.02/115,100.12 = 29,390.00/x
  3. Step 3: Cross multiply
    76,786.02x = 115,100.12 × 29,390.00
  4. Step 4: Simplify right side
    76,786.02x = 3,382,791,804.35
  5. Step 5: Solve for x
    x = 3,382,791,804.35/76,786.02
  6. Step 6: Final answer
    x = 44,054.79

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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.