Home / 91,876.08-126,790.32-51,598.56

Finding the Fourth Proportional to 91,876.08, 126,790.32 and 51,598.56

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Solution

The fourth proportional to 91,876.08, 126,790.32 and 51,598.56 is: 71,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,876.08 : 126,790.32 = 51,598.56 : x
  2. Step 2: Convert to fraction form
    91,876.08/126,790.32 = 51,598.56/x
  3. Step 3: Cross multiply
    91,876.08x = 126,790.32 × 51,598.56
  4. Step 4: Simplify right side
    91,876.08x = 6,542,197,933.94
  5. Step 5: Solve for x
    x = 6,542,197,933.94/91,876.08
  6. Step 6: Final answer
    x = 71,206.76

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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.