Home / 91,549.20-126,326.82-51,259.80

Finding the Fourth Proportional to 91,549.20, 126,326.82 and 51,259.80

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Solution

The fourth proportional to 91,549.20, 126,326.82 and 51,259.80 is: 70,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,549.20 : 126,326.82 = 51,259.80 : x
  2. Step 2: Convert to fraction form
    91,549.20/126,326.82 = 51,259.80/x
  3. Step 3: Cross multiply
    91,549.20x = 126,326.82 × 51,259.80
  4. Step 4: Simplify right side
    91,549.20x = 6,475,487,527.84
  5. Step 5: Solve for x
    x = 6,475,487,527.84/91,549.20
  6. Step 6: Final answer
    x = 70,732.32

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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.