Home / 78,941.66-108,941.06-43,133.88

Finding the Fourth Proportional to 78,941.66, 108,941.06 and 43,133.88

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Solution

The fourth proportional to 78,941.66, 108,941.06 and 43,133.88 is: 59,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.66 : 108,941.06 = 43,133.88 : x
  2. Step 2: Convert to fraction form
    78,941.66/108,941.06 = 43,133.88/x
  3. Step 3: Cross multiply
    78,941.66x = 108,941.06 × 43,133.88
  4. Step 4: Simplify right side
    78,941.66x = 4,699,050,393.44
  5. Step 5: Solve for x
    x = 4,699,050,393.44/78,941.66
  6. Step 6: Final answer
    x = 59,525.61

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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.