Home / 91,524.28-126,311.34-51,237.40

Finding the Fourth Proportional to 91,524.28, 126,311.34 and 51,237.40

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Solution

The fourth proportional to 91,524.28, 126,311.34 and 51,237.40 is: 70,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,524.28 : 126,311.34 = 51,237.40 : x
  2. Step 2: Convert to fraction form
    91,524.28/126,311.34 = 51,237.40/x
  3. Step 3: Cross multiply
    91,524.28x = 126,311.34 × 51,237.40
  4. Step 4: Simplify right side
    91,524.28x = 6,471,864,652.12
  5. Step 5: Solve for x
    x = 6,471,864,652.12/91,524.28
  6. Step 6: Final answer
    x = 70,712.00

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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.