Home / 66,409.13-91,650.35-36,606.89

Finding the Fourth Proportional to 66,409.13, 91,650.35 and 36,606.89

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Solution

The fourth proportional to 66,409.13, 91,650.35 and 36,606.89 is: 50,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409.13 : 91,650.35 = 36,606.89 : x
  2. Step 2: Convert to fraction form
    66,409.13/91,650.35 = 36,606.89/x
  3. Step 3: Cross multiply
    66,409.13x = 91,650.35 × 36,606.89
  4. Step 4: Simplify right side
    66,409.13x = 3,355,033,914.18
  5. Step 5: Solve for x
    x = 3,355,033,914.18/66,409.13
  6. Step 6: Final answer
    x = 50,520.68

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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.