Home / 91,311.58-126,022.50-52,548.61

Finding the Fourth Proportional to 91,311.58, 126,022.50 and 52,548.61

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Solution

The fourth proportional to 91,311.58, 126,022.50 and 52,548.61 is: 72,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,311.58 : 126,022.50 = 52,548.61 : x
  2. Step 2: Convert to fraction form
    91,311.58/126,022.50 = 52,548.61/x
  3. Step 3: Cross multiply
    91,311.58x = 126,022.50 × 52,548.61
  4. Step 4: Simplify right side
    91,311.58x = 6,622,306,573.61
  5. Step 5: Solve for x
    x = 6,622,306,573.61/91,311.58
  6. Step 6: Final answer
    x = 72,524.28

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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.