Home / 66,527.34-91,805.40-39,656.04

Finding the Fourth Proportional to 66,527.34, 91,805.40 and 39,656.04

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Solution

The fourth proportional to 66,527.34, 91,805.40 and 39,656.04 is: 54,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.34 : 91,805.40 = 39,656.04 : x
  2. Step 2: Convert to fraction form
    66,527.34/91,805.40 = 39,656.04/x
  3. Step 3: Cross multiply
    66,527.34x = 91,805.40 × 39,656.04
  4. Step 4: Simplify right side
    66,527.34x = 3,640,638,614.62
  5. Step 5: Solve for x
    x = 3,640,638,614.62/66,527.34
  6. Step 6: Final answer
    x = 54,723.95

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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.