Home / 67,681.07-101,487.42-39,609.56

Finding the Fourth Proportional to 67,681.07, 101,487.42 and 39,609.56

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Solution

The fourth proportional to 67,681.07, 101,487.42 and 39,609.56 is: 59,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,681.07 : 101,487.42 = 39,609.56 : x
  2. Step 2: Convert to fraction form
    67,681.07/101,487.42 = 39,609.56/x
  3. Step 3: Cross multiply
    67,681.07x = 101,487.42 × 39,609.56
  4. Step 4: Simplify right side
    67,681.07x = 4,019,871,544.30
  5. Step 5: Solve for x
    x = 4,019,871,544.30/67,681.07
  6. Step 6: Final answer
    x = 59,394.33

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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.