Home / 66,504.42-91,776.06-38,210.04

Finding the Fourth Proportional to 66,504.42, 91,776.06 and 38,210.04

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Solution

The fourth proportional to 66,504.42, 91,776.06 and 38,210.04 is: 52,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.42 : 91,776.06 = 38,210.04 : x
  2. Step 2: Convert to fraction form
    66,504.42/91,776.06 = 38,210.04/x
  3. Step 3: Cross multiply
    66,504.42x = 91,776.06 × 38,210.04
  4. Step 4: Simplify right side
    66,504.42x = 3,506,766,923.64
  5. Step 5: Solve for x
    x = 3,506,766,923.64/66,504.42
  6. Step 6: Final answer
    x = 52,729.83

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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.