Home / 66,236.94-99,355.41-38,515.50

Finding the Fourth Proportional to 66,236.94, 99,355.41 and 38,515.50

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Solution

The fourth proportional to 66,236.94, 99,355.41 and 38,515.50 is: 57,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236.94 : 99,355.41 = 38,515.50 : x
  2. Step 2: Convert to fraction form
    66,236.94/99,355.41 = 38,515.50/x
  3. Step 3: Cross multiply
    66,236.94x = 99,355.41 × 38,515.50
  4. Step 4: Simplify right side
    66,236.94x = 3,826,723,293.86
  5. Step 5: Solve for x
    x = 3,826,723,293.86/66,236.94
  6. Step 6: Final answer
    x = 57,773.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.