Home / 66,328.81-91,530.69-36,114.04

Finding the Fourth Proportional to 66,328.81, 91,530.69 and 36,114.04

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Solution

The fourth proportional to 66,328.81, 91,530.69 and 36,114.04 is: 49,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.81 : 91,530.69 = 36,114.04 : x
  2. Step 2: Convert to fraction form
    66,328.81/91,530.69 = 36,114.04/x
  3. Step 3: Cross multiply
    66,328.81x = 91,530.69 × 36,114.04
  4. Step 4: Simplify right side
    66,328.81x = 3,305,542,542.23
  5. Step 5: Solve for x
    x = 3,305,542,542.23/66,328.81
  6. Step 6: Final answer
    x = 49,835.70

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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.