Home / 91,360.58-126,116.46-55,562.09

Finding the Fourth Proportional to 91,360.58, 126,116.46 and 55,562.09

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Solution

The fourth proportional to 91,360.58, 126,116.46 and 55,562.09 is: 76,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.58 : 126,116.46 = 55,562.09 : x
  2. Step 2: Convert to fraction form
    91,360.58/126,116.46 = 55,562.09/x
  3. Step 3: Cross multiply
    91,360.58x = 126,116.46 × 55,562.09
  4. Step 4: Simplify right side
    91,360.58x = 7,007,293,470.42
  5. Step 5: Solve for x
    x = 7,007,293,470.42/91,360.58
  6. Step 6: Final answer
    x = 76,699.31

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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.