Home / 91,684.17-126,520.55-51,940.17

Finding the Fourth Proportional to 91,684.17, 126,520.55 and 51,940.17

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Solution

The fourth proportional to 91,684.17, 126,520.55 and 51,940.17 is: 71,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,684.17 : 126,520.55 = 51,940.17 : x
  2. Step 2: Convert to fraction form
    91,684.17/126,520.55 = 51,940.17/x
  3. Step 3: Cross multiply
    91,684.17x = 126,520.55 × 51,940.17
  4. Step 4: Simplify right side
    91,684.17x = 6,571,498,615.79
  5. Step 5: Solve for x
    x = 6,571,498,615.79/91,684.17
  6. Step 6: Final answer
    x = 71,675.39

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1.5x scale

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.