Home / 91,628.94-126,317.84-67,387.06

Finding the Fourth Proportional to 91,628.94, 126,317.84 and 67,387.06

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Solution

The fourth proportional to 91,628.94, 126,317.84 and 67,387.06 is: 92,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,628.94 : 126,317.84 = 67,387.06 : x
  2. Step 2: Convert to fraction form
    91,628.94/126,317.84 = 67,387.06/x
  3. Step 3: Cross multiply
    91,628.94x = 126,317.84 × 67,387.06
  4. Step 4: Simplify right side
    91,628.94x = 8,512,187,863.15
  5. Step 5: Solve for x
    x = 8,512,187,863.15/91,628.94
  6. Step 6: Final answer
    x = 92,898.46

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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.