Home / 66,520.92-91,798.83-38,226.54

Finding the Fourth Proportional to 66,520.92, 91,798.83 and 38,226.54

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Solution

The fourth proportional to 66,520.92, 91,798.83 and 38,226.54 is: 52,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.92 : 91,798.83 = 38,226.54 : x
  2. Step 2: Convert to fraction form
    66,520.92/91,798.83 = 38,226.54/x
  3. Step 3: Cross multiply
    66,520.92x = 91,798.83 × 38,226.54
  4. Step 4: Simplify right side
    66,520.92x = 3,509,151,646.95
  5. Step 5: Solve for x
    x = 3,509,151,646.95/66,520.92
  6. Step 6: Final answer
    x = 52,752.60

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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.